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139600903 = 1359182009
BaseRepresentation
bin10000101001000…
…10010000000111
3100201200110102211
420110202100013
5241214212103
621504044251
73313405501
oct1024422007
9321613384
10139600903
117188a252
123a903687
1322bca7b0
141477cd71
15c3c836d
hex8522407

139600903 has 8 divisors (see below), whose sum is σ = 152888400. Its totient is φ = 126677568.

The previous prime is 139600883. The next prime is 139600907. The reversal of 139600903 is 309006931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139600903 - 217 = 139469831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139600907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90238 + ... + 91771.

It is an arithmetic number, because the mean of its divisors is an integer number (19111050).

Almost surely, 2139600903 is an apocalyptic number.

139600903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139600903 is a deficient number, since it is larger than the sum of its proper divisors (13287497).

139600903 is a wasteful number, since it uses less digits than its factorization.

139600903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182081.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 139600903 is about 11815.2826034759. The cubic root of 139600903 is about 518.7555337291.

The spelling of 139600903 in words is "one hundred thirty-nine million, six hundred thousand, nine hundred three".

Divisors: 1 13 59 767 182009 2366117 10738531 139600903