137905627 has 4 divisors (see below), whose sum is σ = 138103056. Its totient is φ = 137708200.

The previous prime is 137905613. The next prime is 137905633. The reversal of 137905627 is 726509731.

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

It is a cyclic number.

It is not a de Polignac number, because 137905627 - 2¹⁵ = 137872859 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137905627.

It is not an unprimeable number, because it can be changed into a prime (137905637) 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, 97663 + ... + 99064.

It is an arithmetic number, because the mean of its divisors is an integer number (34525764).

Almost surely, 2^137905627 is an apocalyptic number.

137905627 is a deficient number, since it is larger than the sum of its proper divisors (197429).

137905627 is an equidigital number, since it uses as much as digits as its factorization.

137905627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197428.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 137905627 is about 11743.3226558756. The cubic root of 137905627 is about 516.6470996868.

The spelling of 137905627 in words is "one hundred thirty-seven million, nine hundred five thousand, six hundred twenty-seven".