1492156690 has 32 divisors (see below), whose sum is σ = 2708100864. Its totient is φ = 591942720.

The previous prime is 1492156667. The next prime is 1492156727. The reversal of 1492156690 is 966512941.

It is a super-2 number, since 2×1492156690² = 4453063175023512200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1079800 + ... + 1081180.

It is an arithmetic number, because the mean of its divisors is an integer number (84628152).

Almost surely, 2^1492156690 is an apocalyptic number.

1492156690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1492156690 is a deficient number, since it is larger than the sum of its proper divisors (1215944174).

1492156690 is a wasteful number, since it uses less digits than its factorization.

1492156690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1492156690 is about 38628.4440535728. Note that the first 3 decimals coincide. The cubic root of 1492156690 is about 1142.7155662941.

The spelling of 1492156690 in words is "one billion, four hundred ninety-two million, one hundred fifty-six thousand, six hundred ninety".