137146255866 has 64 divisors (see below), whose sum is σ = 307066179840. Its totient is φ = 45372026880.

The previous prime is 137146255861. The next prime is 137146255891. The reversal of 137146255866 is 668552641731.

It is a happy number.

137146255866 is a `hidden beast` number, since 1 + 3 + 7 + 1 + 4 + 625 + 5 + 8 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (137146255861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4497531 + ... + 4527921.

It is an arithmetic number, because the mean of its divisors is an integer number (4797909060).

Almost surely, 2^137146255866 is an apocalyptic number.

137146255866 is an abundant number, since it is smaller than the sum of its proper divisors (169919923974).

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

137146255866 is a wasteful number, since it uses less digits than its factorization.

137146255866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31028 (or 31022 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 137146255866 in words is "one hundred thirty-seven billion, one hundred forty-six million, two hundred fifty-five thousand, eight hundred sixty-six".