1492136973 has 6 divisors (see below), whose sum is σ = 2155308974. Its totient is φ = 994757976.

The previous prime is 1492136951. The next prime is 1492136993. The reversal of 1492136973 is 3796312941.

It can be written as a sum of positive squares in only one way, i.e., 820135044 + 672001929 = 28638^2 + 25923^2 .

It is not a de Polignac number, because 1492136973 - 2⁶ = 1492136909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492136993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82896490 + ... + 82896507.

Almost surely, 2^1492136973 is an apocalyptic number.

It is an amenable number.

1492136973 is a deficient number, since it is larger than the sum of its proper divisors (663172001).

1492136973 is a wasteful number, since it uses less digits than its factorization.

1492136973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165793003 (or 165793000 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1492136973 is about 38628.1888392402. The cubic root of 1492136973 is about 1142.7105330823.

The spelling of 1492136973 in words is "one billion, four hundred ninety-two million, one hundred thirty-six thousand, nine hundred seventy-three".