113874140744821 has 4 divisors (see below), whose sum is σ = 115478001882144. Its totient is φ = 112270279607500.

The previous prime is 113874140744807. The next prime is 113874140744857. The reversal of 113874140744821 is 128447041478311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113874140744821 - 2¹⁷ = 113874140613749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113874140744621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801930568555 + ... + 801930568696.

It is an arithmetic number, because the mean of its divisors is an integer number (28869500470536).

Almost surely, 2^{113874140744821} is an apocalyptic number.

It is an amenable number.

113874140744821 is a deficient number, since it is larger than the sum of its proper divisors (1603861137323).

113874140744821 is an equidigital number, since it uses as much as digits as its factorization.

113874140744821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603861137322.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 113874140744821 in words is "one hundred thirteen trillion, eight hundred seventy-four billion, one hundred forty million, seven hundred forty-four thousand, eight hundred twenty-one".