1013444152 has 32 divisors (see below), whose sum is σ = 2173425120. Its totient is φ = 433981440.

The previous prime is 1013444143. The next prime is 1013444209. The reversal of 1013444152 is 2514443101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69568 + ... + 82864.

It is an arithmetic number, because the mean of its divisors is an integer number (67919535).

Almost surely, 2^1013444152 is an apocalyptic number.

It is an amenable number.

1013444152 is an abundant number, since it is smaller than the sum of its proper divisors (1159980968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013444152 is a wasteful number, since it uses less digits than its factorization.

1013444152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14671 (or 14667 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1013444152 is about 31834.6376137691. The cubic root of 1013444152 is about 1004.4614498641.

Adding to 1013444152 its reverse (2514443101), we get a palindrome (3527887253).

The spelling of 1013444152 in words is "one billion, thirteen million, four hundred forty-four thousand, one hundred fifty-two".