1317387434 has 16 divisors (see below), whose sum is σ = 2179949760. Its totient is φ = 592083360.

The previous prime is 1317387367. The next prime is 1317387493. The reversal of 1317387434 is 4347837131.

It is a super-2 number, since 2×1317387434² = 3471019302522208712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1317387391 and 1317387400.

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, 334454 + ... + 338369.

It is an arithmetic number, because the mean of its divisors is an integer number (136246860).

Almost surely, 2^1317387434 is an apocalyptic number.

1317387434 is a deficient number, since it is larger than the sum of its proper divisors (862562326).

1317387434 is a wasteful number, since it uses less digits than its factorization.

1317387434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672925.

The product of its digits is 169344, while the sum is 41.

The square root of 1317387434 is about 36295.8321849768. The cubic root of 1317387434 is about 1096.2371244664.

The spelling of 1317387434 in words is "one billion, three hundred seventeen million, three hundred eighty-seven thousand, four hundred thirty-four".