137912501 has 4 divisors (see below), whose sum is σ = 137940000. Its totient is φ = 137885004.

The previous prime is 137912473. The next prime is 137912503. The reversal of 137912501 is 105219731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137912501 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 (137912503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3851 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (34485000).

Almost surely, 2^137912501 is an apocalyptic number.

It is an amenable number.

137912501 is a deficient number, since it is larger than the sum of its proper divisors (27499).

137912501 is an equidigital number, since it uses as much as digits as its factorization.

137912501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27498.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 137912501 is about 11743.6153291906. The cubic root of 137912501 is about 516.6556837531.

The spelling of 137912501 in words is "one hundred thirty-seven million, nine hundred twelve thousand, five hundred one".