1357565742 has 48 divisors (see below), whose sum is σ = 3253286400. Its totient is φ = 406420416.

The previous prime is 1357565723. The next prime is 1357565747. The reversal of 1357565742 is 2475657531.

It is a happy number.

1357565742 is a `hidden beast` number, since 1 + 3 + 5 + 75 + 6 + 574 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357565747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69742 + ... + 87057.

It is an arithmetic number, because the mean of its divisors is an integer number (67776800).

Almost surely, 2^1357565742 is an apocalyptic number.

1357565742 is an abundant number, since it is smaller than the sum of its proper divisors (1895720658).

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

1357565742 is a wasteful number, since it uses less digits than its factorization.

1357565742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156857 (or 156854 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 1357565742 is about 36845.1590035923. The cubic root of 1357565742 is about 1107.2702292433.

The spelling of 1357565742 in words is "one billion, three hundred fifty-seven million, five hundred sixty-five thousand, seven hundred forty-two".