137471656 has 80 divisors (see below), whose sum is σ = 319145940. Its totient is φ = 55319040.

The previous prime is 137471627. The next prime is 137471657. The reversal of 137471656 is 656174731.

137471656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131469156 + 6002500 = 11466^2 + 2450^2 .

It is not an unprimeable number, because it can be changed into a prime (137471657) 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 19 ways as a sum of consecutive naturals, for example, 326326 + ... + 326746.

Almost surely, 2^137471656 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 137471656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159572970).

137471656 is an abundant number, since it is smaller than the sum of its proper divisors (181674284).

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

137471656 is an equidigital number, since it uses as much as digits as its factorization.

137471656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 447 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 137471656 is about 11724.8307450470. The cubic root of 137471656 is about 516.1045899000.

The spelling of 137471656 in words is "one hundred thirty-seven million, four hundred seventy-one thousand, six hundred fifty-six".