113420540 has 24 divisors (see below), whose sum is σ = 244622112. Its totient is φ = 44141760.

The previous prime is 113420539. The next prime is 113420551. The reversal of 113420540 is 45024311.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 75896 + ... + 77375.

It is an arithmetic number, because the mean of its divisors is an integer number (10192588).

Almost surely, 2^113420540 is an apocalyptic number.

113420540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113420540 is an abundant number, since it is smaller than the sum of its proper divisors (131201572).

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

113420540 is a wasteful number, since it uses less digits than its factorization.

113420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153317 (or 153315 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 113420540 is about 10649.9079808231. The cubic root of 113420540 is about 484.0578158741.

Adding to 113420540 its reverse (45024311), we get a palindrome (158444851).

The spelling of 113420540 in words is "one hundred thirteen million, four hundred twenty thousand, five hundred forty".