1357657042 has 16 divisors (see below), whose sum is σ = 2329733952. Its totient is φ = 581272560.

The previous prime is 1357657039. The next prime is 1357657097. The reversal of 1357657042 is 2407567531.

It is a super-3 number, since 3×1357657042³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1357656986 and 1357657004.

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, 33684 + ... + 62047.

It is an arithmetic number, because the mean of its divisors is an integer number (145608372).

Almost surely, 2^1357657042 is an apocalyptic number.

1357657042 is a deficient number, since it is larger than the sum of its proper divisors (972076910).

1357657042 is a wasteful number, since it uses less digits than its factorization.

1357657042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96753.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 1357657042 is about 36846.3979514959. The cubic root of 1357657042 is about 1107.2950510015.

The spelling of 1357657042 in words is "one billion, three hundred fifty-seven million, six hundred fifty-seven thousand, forty-two".