137009144 has 16 divisors (see below), whose sum is σ = 257773320. Its totient is φ = 68269600.

The previous prime is 137009141. The next prime is 137009149. The reversal of 137009144 is 441900731.

137009144 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137009144² = 37543011079225472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137009141) 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, 26882 + ... + 31569.

Almost surely, 2^137009144 is an apocalyptic number.

It is an amenable number.

137009144 is a deficient number, since it is larger than the sum of its proper divisors (120764176).

137009144 is a wasteful number, since it uses less digits than its factorization.

137009144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58750 (or 58746 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 137009144 is about 11705.0905165231. The cubic root of 137009144 is about 515.5251425309.

Adding to 137009144 its reverse (441900731), we get a palindrome (578909875).

The spelling of 137009144 in words is "one hundred thirty-seven million, nine thousand, one hundred forty-four".