113142620 has 12 divisors (see below), whose sum is σ = 237599544. Its totient is φ = 45257040.

The previous prime is 113142619. The next prime is 113142637. The reversal of 113142620 is 26241311.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5657131 = 113142620 / (1 + 1 + 3 + 1 + 4 + 2 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 113142592 and 113142601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828546 + ... + 2828585.

It is an arithmetic number, because the mean of its divisors is an integer number (19799962).

Almost surely, 2^113142620 is an apocalyptic number.

113142620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113142620 is an abundant number, since it is smaller than the sum of its proper divisors (124456924).

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

113142620 is a wasteful number, since it uses less digits than its factorization.

113142620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657140 (or 5657138 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 113142620 is about 10636.8519779115. The cubic root of 113142620 is about 483.6621221743.

Adding to 113142620 its reverse (26241311), we get a palindrome (139383931).

The spelling of 113142620 in words is "one hundred thirteen million, one hundred forty-two thousand, six hundred twenty".