137604413 has 4 divisors (see below), whose sum is σ = 139150620. Its totient is φ = 136058208.

The previous prime is 137604407. The next prime is 137604431. The reversal of 137604413 is 314406731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33605209 + 103999204 = 5797^2 + 10198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137604413 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 (137604433) 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, 772970 + ... + 773147.

It is an arithmetic number, because the mean of its divisors is an integer number (34787655).

Almost surely, 2^137604413 is an apocalyptic number.

It is an amenable number.

137604413 is a deficient number, since it is larger than the sum of its proper divisors (1546207).

137604413 is an equidigital number, since it uses as much as digits as its factorization.

137604413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546206.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 137604413 is about 11730.4907399478. The cubic root of 137604413 is about 516.2706712952.

The spelling of 137604413 in words is "one hundred thirty-seven million, six hundred four thousand, four hundred thirteen".