1113653478 has 24 divisors (see below), whose sum is σ = 2590949592. Its totient is φ = 318186624.

The previous prime is 1113653477. The next prime is 1113653501. The reversal of 1113653478 is 8743563111.

It is a super-2 number, since 2×1113653478² = 2480448138122992968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113653477) 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, 1893675 + ... + 1894262.

It is an arithmetic number, because the mean of its divisors is an integer number (107956233).

Almost surely, 2^1113653478 is an apocalyptic number.

1113653478 is an abundant number, since it is smaller than the sum of its proper divisors (1477296114).

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

1113653478 is a wasteful number, since it uses less digits than its factorization.

1113653478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787956 (or 3787949 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 1113653478 is about 33371.4470468393. The cubic root of 1113653478 is about 1036.5335394000.

The spelling of 1113653478 in words is "one billion, one hundred thirteen million, six hundred fifty-three thousand, four hundred seventy-eight".