134657040 has 80 divisors (see below), whose sum is σ = 477076608. Its totient is φ = 30778368.

The previous prime is 134657027. The next prime is 134657059. The reversal of 134657040 is 40756431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 134656989 and 134657007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38397 + ... + 41756.

Almost surely, 2^134657040 is an apocalyptic number.

134657040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134657040 is an abundant number, since it is smaller than the sum of its proper divisors (342419568).

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

134657040 is a wasteful number, since it uses less digits than its factorization.

134657040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80176 (or 80170 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 134657040 is about 11604.1820047774. The cubic root of 134657040 is about 512.5580057288.

The spelling of 134657040 in words is "one hundred thirty-four million, six hundred fifty-seven thousand, forty".