1357140 has 24 divisors (see below), whose sum is σ = 3800160. Its totient is φ = 361888.

The previous prime is 1357129. The next prime is 1357163. The reversal of 1357140 is 417531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11250 + ... + 11369.

It is an arithmetic number, because the mean of its divisors is an integer number (158340).

2^1357140 is an apocalyptic number.

1357140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357140 is an abundant number, since it is smaller than the sum of its proper divisors (2443020).

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

1357140 is a wasteful number, since it uses less digits than its factorization.

1357140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22631 (or 22629 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1357140 is about 1164.9635187421. The cubic root of 1357140 is about 110.7154467942.

The spelling of 1357140 in words is "one million, three hundred fifty-seven thousand, one hundred forty".