137632013 has 4 divisors (see below), whose sum is σ = 137834208. Its totient is φ = 137429820.

The previous prime is 137632007. The next prime is 137632021. The reversal of 137632013 is 310236731.

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 not a de Polignac number, because 137632013 - 2⁴ = 137631997 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 (137632063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100073 + ... + 101438.

It is an arithmetic number, because the mean of its divisors is an integer number (34458552).

Almost surely, 2^137632013 is an apocalyptic number.

It is an amenable number.

137632013 is a deficient number, since it is larger than the sum of its proper divisors (202195).

137632013 is an equidigital number, since it uses as much as digits as its factorization.

137632013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202194.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 137632013 is about 11731.6671023346. The cubic root of 137632013 is about 516.3051859779.

Adding to 137632013 its reverse (310236731), we get a palindrome (447868744).

The spelling of 137632013 in words is "one hundred thirty-seven million, six hundred thirty-two thousand, thirteen".