1357747380 has 96 divisors (see below), whose sum is σ = 4608132480. Its totient is φ = 329149440.

The previous prime is 1357747379. The next prime is 1357747409. The reversal of 1357747380 is 837477531.

1357747380 is a `hidden beast` number, since 1 + 3 + 577 + 4 + 73 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108349 + ... + 120228.

It is an arithmetic number, because the mean of its divisors is an integer number (48001380).

Almost surely, 2^1357747380 is an apocalyptic number.

1357747380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357747380 is an abundant number, since it is smaller than the sum of its proper divisors (3250385100).

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

1357747380 is a wasteful number, since it uses less digits than its factorization.

1357747380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228606 (or 228598 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 1357747380 is about 36847.6238039850. The cubic root of 1357747380 is about 1107.3196101252.

The spelling of 1357747380 in words is "one billion, three hundred fifty-seven million, seven hundred forty-seven thousand, three hundred eighty".