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139715067 = 347990887
BaseRepresentation
bin10000101001111…
…10000111111011
3100201220021001010
420110332013323
5241231340232
621510325003
73314362362
oct1024760773
9321807033
10139715067
1171957aa8
123a959763
1322c3a74b
14147ac7d9
15c3ec0cc
hex853e1fb

139715067 has 8 divisors (see below), whose sum is σ = 190250496. Its totient is φ = 91161512.

The previous prime is 139715057. The next prime is 139715077. The reversal of 139715067 is 760517931.

It is an interprime number because it is at equal distance from previous prime (139715057) and next prime (139715077).

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 139715067 - 214 = 139698683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139715057) 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, 495303 + ... + 495584.

It is an arithmetic number, because the mean of its divisors is an integer number (23781312).

Almost surely, 2139715067 is an apocalyptic number.

139715067 is a deficient number, since it is larger than the sum of its proper divisors (50535429).

139715067 is an equidigital number, since it uses as much as digits as its factorization.

139715067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990937.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 139715067 is about 11820.1128167205. The cubic root of 139715067 is about 518.8969059524.

The spelling of 139715067 in words is "one hundred thirty-nine million, seven hundred fifteen thousand, sixty-seven".

Divisors: 1 3 47 141 990887 2972661 46571689 139715067