137980064 has 12 divisors (see below), whose sum is σ = 271648314. Its totient is φ = 68990016.

The previous prime is 137980049. The next prime is 137980069. The reversal of 137980064 is 460089731.

It can be written as a sum of positive squares in only one way, i.e., 123387664 + 14592400 = 11108^2 + 3820^2 .

It is a super-2 number, since 2×137980064² = 38076996122888192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137980069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2155907 + ... + 2155970.

Almost surely, 2^137980064 is an apocalyptic number.

It is an amenable number.

137980064 is a deficient number, since it is larger than the sum of its proper divisors (133668250).

137980064 is an equidigital number, since it uses as much as digits as its factorization.

137980064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311887 (or 4311879 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 137980064 is about 11746.4915613131. The cubic root of 137980064 is about 516.7400394352.

The spelling of 137980064 in words is "one hundred thirty-seven million, nine hundred eighty thousand, sixty-four".