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137895007 = 178111471
BaseRepresentation
bin10000011100000…
…01110001011111
3100121110210101111
420032001301133
5240300120012
621403322451
73263042155
oct1016016137
9317423344
10137895007
1170924618
123a220427
13227511a3
14144573d5
15c18cba7
hex8381c5f

137895007 has 4 divisors (see below), whose sum is σ = 146006496. Its totient is φ = 129783520.

The previous prime is 137894969. The next prime is 137895011. The reversal of 137895007 is 700598731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-137895007 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 (137895047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055719 + ... + 4055752.

It is an arithmetic number, because the mean of its divisors is an integer number (36501624).

Almost surely, 2137895007 is an apocalyptic number.

137895007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

137895007 is a deficient number, since it is larger than the sum of its proper divisors (8111489).

137895007 is an equidigital number, since it uses as much as digits as its factorization.

137895007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111488.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 137895007 is about 11742.8704753139. The cubic root of 137895007 is about 516.6338371556.

The spelling of 137895007 in words is "one hundred thirty-seven million, eight hundred ninety-five thousand, seven".

Divisors: 1 17 8111471 137895007