113171493 has 8 divisors (see below), whose sum is σ = 154973728. Its totient is φ = 73408464.

The previous prime is 113171491. The next prime is 113171507. The reversal of 113171493 is 394171311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113171493 - 2¹ = 113171491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113171493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113171491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509671 + ... + 509892.

It is an arithmetic number, because the mean of its divisors is an integer number (19371716).

Almost surely, 2^113171493 is an apocalyptic number.

It is an amenable number.

113171493 is a deficient number, since it is larger than the sum of its proper divisors (41802235).

113171493 is a wasteful number, since it uses less digits than its factorization.

113171493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019603.

The product of its digits is 2268, while the sum is 30.

The square root of 113171493 is about 10638.2091067999. The cubic root of 113171493 is about 483.7032607795.

The spelling of 113171493 in words is "one hundred thirteen million, one hundred seventy-one thousand, four hundred ninety-three".