137856026 has 48 divisors (see below), whose sum is σ = 275099328. Its totient is φ = 50540160.

The previous prime is 137856013. The next prime is 137856049. The reversal of 137856026 is 620658731.

137856026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26405 + ... + 31191.

It is an arithmetic number, because the mean of its divisors is an integer number (5731236).

Almost surely, 2^137856026 is an apocalyptic number.

137856026 is a deficient number, since it is larger than the sum of its proper divisors (137243302).

137856026 is a wasteful number, since it uses less digits than its factorization.

137856026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835 (or 4824 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 137856026 is about 11741.2105849440. The cubic root of 137856026 is about 516.5851508349.

The spelling of 137856026 in words is "one hundred thirty-seven million, eight hundred fifty-six thousand, twenty-six".