137425229091 has 24 divisors (see below), whose sum is σ = 199216892160. Its totient is φ = 91287702000.

The previous prime is 137425228987. The next prime is 137425229111. The reversal of 137425229091 is 190922524731.

137425229091 is a `hidden beast` number, since 1 + 37 + 4 + 2 + 522 + 9 + 0 + 91 = 666.

It is not a de Polignac number, because 137425229091 - 2¹⁹ = 137424704803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137425229191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5585266 + ... + 5609816.

It is an arithmetic number, because the mean of its divisors is an integer number (8300703840).

Almost surely, 2^137425229091 is an apocalyptic number.

137425229091 is a deficient number, since it is larger than the sum of its proper divisors (61791663069).

137425229091 is a wasteful number, since it uses less digits than its factorization.

137425229091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26767 (or 26764 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 137425229091 in words is "one hundred thirty-seven billion, four hundred twenty-five million, two hundred twenty-nine thousand, ninety-one".