137702644 has 12 divisors (see below), whose sum is σ = 243883584. Its totient is φ = 68021624.

The previous prime is 137702629. The next prime is 137702647. The reversal of 137702644 is 446207731.

It is a super-3 number, since 3×137702644³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137702647) 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, 207052 + ... + 207715.

It is an arithmetic number, because the mean of its divisors is an integer number (20323632).

Almost surely, 2^137702644 is an apocalyptic number.

It is an amenable number.

137702644 is a deficient number, since it is larger than the sum of its proper divisors (106180940).

137702644 is a wasteful number, since it uses less digits than its factorization.

137702644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414854 (or 414852 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 137702644 is about 11734.6769874590. The cubic root of 137702644 is about 516.3934912939.

The spelling of 137702644 in words is "one hundred thirty-seven million, seven hundred two thousand, six hundred forty-four".