113157540 has 192 divisors, whose sum is σ = 381024000. Its totient is φ = 27786240.

The previous prime is 113157509. The next prime is 113157563. The reversal of 113157540 is 45751311.

113157540 = T₅₉ + T₆₀ + ... + T₈₇₈.

113157540 is a `hidden beast` number, since 113 + 1 + 5 + 7 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 420526 + ... + 420794.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^113157540 is an apocalyptic number.

113157540 is a gapful number since it is divisible by the number (10) 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 113157540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190512000).

113157540 is an abundant number, since it is smaller than the sum of its proper divisors (267866460).

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

113157540 is a wasteful number, since it uses less digits than its factorization.

113157540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 113157540 is about 10637.5532901133. The cubic root of 113157540 is about 483.6833812474.

The spelling of 113157540 in words is "one hundred thirteen million, one hundred fifty-seven thousand, five hundred forty".