1492156712 has 16 divisors (see below), whose sum is σ = 2799983700. Its totient is φ = 745494400.

The previous prime is 1492156667. The next prime is 1492156727. The reversal of 1492156712 is 2176512941.

It can be written as a sum of positive squares in 2 ways, for example, as 1455117316 + 37039396 = 38146^2 + 6086^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62039 + ... + 82662.

Almost surely, 2^1492156712 is an apocalyptic number.

It is an amenable number.

1492156712 is a deficient number, since it is larger than the sum of its proper divisors (1307826988).

1492156712 is a wasteful number, since it uses less digits than its factorization.

1492156712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145996 (or 145992 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 1492156712 is about 38628.4443383370. Note that the first 3 decimals coincide. The cubic root of 1492156712 is about 1142.7155719101.

The spelling of 1492156712 in words is "one billion, four hundred ninety-two million, one hundred fifty-six thousand, seven hundred twelve".