137627652640 has 24 divisors (see below), whose sum is σ = 325145329740. Its totient is φ = 55051060992.

The previous prime is 137627652611. The next prime is 137627652689. The reversal of 137627652640 is 46256726731.

It can be written as a sum of positive squares in 2 ways, for example, as 112485110544 + 25142542096 = 335388^2 + 158564^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430086255 + ... + 430086574.

Almost surely, 2^137627652640 is an apocalyptic number.

137627652640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137627652640 is an abundant number, since it is smaller than the sum of its proper divisors (187517677100).

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

137627652640 is an equidigital number, since it uses as much as digits as its factorization.

137627652640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860172844 (or 860172836 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 137627652640 in words is "one hundred thirty-seven billion, six hundred twenty-seven million, six hundred fifty-two thousand, six hundred forty".