1357440120 has 160 divisors (see below), whose sum is σ = 4720161600. Its totient is φ = 349477632.

The previous prime is 1357440113. The next prime is 1357440131. The reversal of 1357440120 is 210447531.

It is a super-2 number, since 2×1357440120² = 3685287358771228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 86737 + ... + 101183.

It is an arithmetic number, because the mean of its divisors is an integer number (29501010).

Almost surely, 2^1357440120 is an apocalyptic number.

1357440120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1357440120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2360080800).

1357440120 is an abundant number, since it is smaller than the sum of its proper divisors (3362721480).

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

1357440120 is a wasteful number, since it uses less digits than its factorization.

1357440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14499 (or 14486 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1357440120 is about 36843.4542354541. The cubic root of 1357440120 is about 1107.2360745337.

Adding to 1357440120 its reverse (210447531), we get a palindrome (1567887651).

The spelling of 1357440120 in words is "one billion, three hundred fifty-seven million, four hundred forty thousand, one hundred twenty".