137954493 has 12 divisors (see below), whose sum is σ = 199748640. Its totient is φ = 91747656.

The previous prime is 137954471. The next prime is 137954501. The reversal of 137954493 is 394459731.

137954493 is a `hidden beast` number, since 13 + 7 + 9 + 544 + 93 = 666.

It is not a de Polignac number, because 137954493 - 2²⁰ = 136905917 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137954393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14521 + ... + 22062.

It is an arithmetic number, because the mean of its divisors is an integer number (16645720).

Almost surely, 2^137954493 is an apocalyptic number.

It is an amenable number.

137954493 is a deficient number, since it is larger than the sum of its proper divisors (61794147).

137954493 is a wasteful number, since it uses less digits than its factorization.

137954493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37008 (or 37005 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 137954493 is about 11745.4030582181. The cubic root of 137954493 is about 516.7081160411.

The spelling of 137954493 in words is "one hundred thirty-seven million, nine hundred fifty-four thousand, four hundred ninety-three".