137469856 has 24 divisors (see below), whose sum is σ = 271252800. Its totient is φ = 68580288.

The previous prime is 137469851. The next prime is 137469869. The reversal of 137469856 is 658964731.

It is a super-2 number, since 2×137469856² = 37795922617321472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137469851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10345 + ... + 19543.

It is an arithmetic number, because the mean of its divisors is an integer number (11302200).

Almost surely, 2^137469856 is an apocalyptic number.

137469856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

137469856 is a deficient number, since it is larger than the sum of its proper divisors (133782944).

137469856 is an equidigital number, since it uses as much as digits as its factorization.

137469856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676 (or 9668 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 137469856 is about 11724.7539846259. The cubic root of 137469856 is about 516.1023373330.

The spelling of 137469856 in words is "one hundred thirty-seven million, four hundred sixty-nine thousand, eight hundred fifty-six".