137331064 has 32 divisors (see below), whose sum is σ = 278752320. Its totient is φ = 63052416.

The previous prime is 137331043. The next prime is 137331079. The reversal of 137331064 is 460133731.

It is a happy number.

It is a super-2 number, since 2×137331064² = 37719642278744192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17137 + ... + 23839.

It is an arithmetic number, because the mean of its divisors is an integer number (8711010).

Almost surely, 2^137331064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137331064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139376160).

137331064 is an abundant number, since it is smaller than the sum of its proper divisors (141421256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137331064 is a wasteful number, since it uses less digits than its factorization.

137331064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919 (or 6915 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 137331064 is about 11718.8337303675. The cubic root of 137331064 is about 515.9285901620.

Adding to 137331064 its reverse (460133731), we get a palindrome (597464795).

The spelling of 137331064 in words is "one hundred thirty-seven million, three hundred thirty-one thousand, sixty-four".