1357994474 has 16 divisors (see below), whose sum is σ = 2128470912. Its totient is φ = 648585168.

The previous prime is 1357994447. The next prime is 1357994501. The reversal of 1357994474 is 4744997531.

It is an interprime number because it is at equal distance from previous prime (1357994447) and next prime (1357994501).

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, 14312 + ... + 54044.

It is an arithmetic number, because the mean of its divisors is an integer number (133029432).

Almost surely, 2^1357994474 is an apocalyptic number.

1357994474 is a deficient number, since it is larger than the sum of its proper divisors (770476438).

1357994474 is a wasteful number, since it uses less digits than its factorization.

1357994474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40501.

The product of its digits is 3810240, while the sum is 53.

The square root of 1357994474 is about 36850.9765677926. The cubic root of 1357994474 is about 1107.3867790845.

The spelling of 1357994474 in words is "one billion, three hundred fifty-seven million, nine hundred ninety-four thousand, four hundred seventy-four".