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139450127 = 2329320693
BaseRepresentation
bin10000100111111…
…01011100001111
3100201101210121112
420103331130033
5241144401002
621500522235
73312210065
oct1023753417
9321353545
10139450127
1171796a43
123a85037b
1322b76c8b
1414740035
15c398852
hex84fd70f

139450127 has 8 divisors (see below), whose sum is σ = 146016864. Its totient is φ = 132925408.

The previous prime is 139450117. The next prime is 139450147. The reversal of 139450127 is 721054931.

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 139450127 - 210 = 139449103 is a prime.

It is a super-2 number, since 2×1394501272 = 38892675840632258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139450093 and 139450102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139450117) 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, 3608 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (18252108).

Almost surely, 2139450127 is an apocalyptic number.

139450127 is a deficient number, since it is larger than the sum of its proper divisors (6566737).

139450127 is a wasteful number, since it uses less digits than its factorization.

139450127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21009.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 139450127 is about 11808.9003298360. The cubic root of 139450127 is about 518.5687057583.

The spelling of 139450127 in words is "one hundred thirty-nine million, four hundred fifty thousand, one hundred twenty-seven".

Divisors: 1 23 293 6739 20693 475939 6063049 139450127