134957493 has 12 divisors (see below), whose sum is σ = 212660448. Its totient is φ = 81792360.

The previous prime is 134957489. The next prime is 134957519. The reversal of 134957493 is 394759431.

134957493 is a `hidden beast` number, since 1 + 3 + 495 + 74 + 93 = 666.

It is not a de Polignac number, because 134957493 - 2² = 134957489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134957413) 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, 681505 + ... + 681702.

It is an arithmetic number, because the mean of its divisors is an integer number (17721704).

Almost surely, 2^134957493 is an apocalyptic number.

It is an amenable number.

134957493 is a deficient number, since it is larger than the sum of its proper divisors (77702955).

134957493 is a wasteful number, since it uses less digits than its factorization.

134957493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363224 (or 1363221 counting only the distinct ones).

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

The square root of 134957493 is about 11617.1206845758. The cubic root of 134957493 is about 512.9389369084.

The spelling of 134957493 in words is "one hundred thirty-four million, nine hundred fifty-seven thousand, four hundred ninety-three".