1004157136 has 10 divisors (see below), whose sum is σ = 1945554482. Its totient is φ = 502078560.

The previous prime is 1004157131. The next prime is 1004157149. The reversal of 1004157136 is 6317514001.

It can be written as a sum of positive squares in only one way, i.e., 721244736 + 282912400 = 26856^2 + 16820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004157131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31379895 + ... + 31379926.

Almost surely, 2^1004157136 is an apocalyptic number.

1004157136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1004157136 is a deficient number, since it is larger than the sum of its proper divisors (941397346).

1004157136 is an equidigital number, since it uses as much as digits as its factorization.

1004157136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62759829 (or 62759823 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1004157136 is about 31688.4385225905. The cubic root of 1004157136 is about 1001.3837962247.

The spelling of 1004157136 in words is "one billion, four million, one hundred fifty-seven thousand, one hundred thirty-six".