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139100132400 = 243521943532677
BaseRepresentation
bin1000000110001100000…
…0111001010000110000
3111022001010102212110120
42001203000321100300
54234334113214100
6143522434330240
713023013421415
oct2014300712060
9438033385416
10139100132400
1153aa0442309
1222b60429980
131016a313968
146a37d0810c
153941c1e0a0
hex2063039430

139100132400 has 480 divisors, whose sum is σ = 489181904640. Its totient is φ = 33663651840.

The previous prime is 139100132387. The next prime is 139100132407. The reversal of 139100132400 is 4231001931.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (139100132407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51959862 + ... + 51962538.

It is an arithmetic number, because the mean of its divisors is an integer number (1019128968).

Almost surely, 2139100132400 is an apocalyptic number.

139100132400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139100132400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244590952320).

139100132400 is an abundant number, since it is smaller than the sum of its proper divisors (350081772240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139100132400 is a wasteful number, since it uses less digits than its factorization.

139100132400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 139100132400 in words is "one hundred thirty-nine billion, one hundred million, one hundred thirty-two thousand, four hundred".