1372144936 has 16 divisors (see below), whose sum is σ = 2724111540. Its totient is φ = 645715200.

The previous prime is 1372144933. The next prime is 1372144937. The reversal of 1372144936 is 6394412731.

It can be written as a sum of positive squares in 2 ways, for example, as 1082804836 + 289340100 = 32906^2 + 17010^2 .

It is not an unprimeable number, because it can be changed into a prime (1372144933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044515 + ... + 5044786.

Almost surely, 2^1372144936 is an apocalyptic number.

It is an amenable number.

1372144936 is a deficient number, since it is larger than the sum of its proper divisors (1351966604).

1372144936 is a wasteful number, since it uses less digits than its factorization.

1372144936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10089324 (or 10089320 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 1372144936 is about 37042.4747553400. The cubic root of 1372144936 is about 1111.2198628162.

The spelling of 1372144936 in words is "one billion, three hundred seventy-two million, one hundred forty-four thousand, nine hundred thirty-six".