3136747394 has 32 divisors (see below), whose sum is σ = 5312405952. Its totient is φ = 1376640000.

The previous prime is 3136747363. The next prime is 3136747421. The reversal of 3136747394 is 4937476313.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69569 + ... + 105419.

It is an arithmetic number, because the mean of its divisors is an integer number (166012686).

Almost surely, 2^3136747394 is an apocalyptic number.

3136747394 is a deficient number, since it is larger than the sum of its proper divisors (2175658558).

3136747394 is a wasteful number, since it uses less digits than its factorization.

3136747394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36002.

The product of its digits is 1143072, while the sum is 47.

The square root of 3136747394 is about 56006.6727631628. The cubic root of 3136747394 is about 1463.8385563685.

The spelling of 3136747394 in words is "three billion, one hundred thirty-six million, seven hundred forty-seven thousand, three hundred ninety-four".