113519541 has 4 divisors (see below), whose sum is σ = 151359392. Its totient is φ = 75679692.

The previous prime is 113519537. The next prime is 113519569. The reversal of 113519541 is 145915311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 145915311 = 3 ⋅48638437.

It is not a de Polignac number, because 113519541 - 2² = 113519537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113519499 and 113519508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113519501) 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, 18919921 + ... + 18919926.

It is an arithmetic number, because the mean of its divisors is an integer number (37839848).

Almost surely, 2^113519541 is an apocalyptic number.

It is an amenable number.

113519541 is a deficient number, since it is larger than the sum of its proper divisors (37839851).

113519541 is an equidigital number, since it uses as much as digits as its factorization.

113519541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37839850.

The product of its digits is 2700, while the sum is 30.

The square root of 113519541 is about 10654.5549414323. The cubic root of 113519541 is about 484.1986142144.

The spelling of 113519541 in words is "one hundred thirteen million, five hundred nineteen thousand, five hundred forty-one".