1013895288 has 48 divisors (see below), whose sum is σ = 3138248880. Its totient is φ = 289684224.

The previous prime is 1013895287. The next prime is 1013895293. The reversal of 1013895288 is 8825983101.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013895287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005345 + ... + 1006352.

It is an arithmetic number, because the mean of its divisors is an integer number (65380185).

Almost surely, 2^1013895288 is an apocalyptic number.

1013895288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1013895288 is an abundant number, since it is smaller than the sum of its proper divisors (2124353592).

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

1013895288 is a wasteful number, since it uses less digits than its factorization.

1013895288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011716 (or 2011709 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 1013895288 is about 31841.7224408480. The cubic root of 1013895288 is about 1004.6104735330.

The spelling of 1013895288 in words is "one billion, thirteen million, eight hundred ninety-five thousand, two hundred eighty-eight".