137375530 has 8 divisors (see below), whose sum is σ = 247275972. Its totient is φ = 54950208.

The previous prime is 137375509. The next prime is 137375531. The reversal of 137375530 is 35573731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136118889 + 1256641 = 11667^2 + 1121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (137375531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6868767 + ... + 6868786.

Almost surely, 2^137375530 is an apocalyptic number.

137375530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137375530 is a deficient number, since it is larger than the sum of its proper divisors (109900442).

137375530 is a wasteful number, since it uses less digits than its factorization.

137375530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13737560.

The product of its (nonzero) digits is 33075, while the sum is 34.

The square root of 137375530 is about 11720.7307792646. The cubic root of 137375530 is about 515.9842677935.

The spelling of 137375530 in words is "one hundred thirty-seven million, three hundred seventy-five thousand, five hundred thirty".