1357408272 has 40 divisors (see below), whose sum is σ = 3825424800. Its totient is φ = 411335680.

The previous prime is 1357408271. The next prime is 1357408277. The reversal of 1357408272 is 2728047531.

It is a self number, because there is not a number n which added to its sum of digits gives 1357408272.

It is not an unprimeable number, because it can be changed into a prime (1357408271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284897 + ... + 1285952.

It is an arithmetic number, because the mean of its divisors is an integer number (95635620).

Almost surely, 2^1357408272 is an apocalyptic number.

1357408272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1357408272 is an abundant number, since it is smaller than the sum of its proper divisors (2468016528).

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

1357408272 is a wasteful number, since it uses less digits than its factorization.

1357408272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570871 (or 2570865 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1357408272 is about 36843.0220258871. The cubic root of 1357408272 is about 1107.2274152124.

The spelling of 1357408272 in words is "one billion, three hundred fifty-seven million, four hundred eight thousand, two hundred seventy-two".