1013542656 has 216 divisors, whose sum is σ = 3277137024. Its totient is φ = 276756480.

The previous prime is 1013542609. The next prime is 1013542667. The reversal of 1013542656 is 6562453101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864951 + ... + 866121.

Almost surely, 2^1013542656 is an apocalyptic number.

1013542656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013542656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638568512).

1013542656 is an abundant number, since it is smaller than the sum of its proper divisors (2263594368).

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

1013542656 is a wasteful number, since it uses less digits than its factorization.

1013542656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1013542656 is about 31836.1846960342. The cubic root of 1013542656 is about 1004.4939924451.

Adding to 1013542656 its reverse (6562453101), we get a palindrome (7575995757).

The spelling of 1013542656 in words is "one billion, thirteen million, five hundred forty-two thousand, six hundred fifty-six".