1044772136 has 16 divisors (see below), whose sum is σ = 1960607700. Its totient is φ = 521943424.

The previous prime is 1044772129. The next prime is 1044772139. The reversal of 1044772136 is 6312774401.

It can be written as a sum of positive squares in 2 ways, for example, as 998939236 + 45832900 = 31606^2 + 6770^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1044772096 and 1044772105.

It is not an unprimeable number, because it can be changed into a prime (1044772139) 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, 45191 + ... + 64278.

Almost surely, 2^1044772136 is an apocalyptic number.

It is an amenable number.

1044772136 is a deficient number, since it is larger than the sum of its proper divisors (915835564).

1044772136 is a wasteful number, since it uses less digits than its factorization.

1044772136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110668 (or 110664 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1044772136 is about 32322.9351390000. The cubic root of 1044772136 is about 1014.7066980760.

The spelling of 1044772136 in words is "one billion, forty-four million, seven hundred seventy-two thousand, one hundred thirty-six".