131769117 has 12 divisors (see below), whose sum is σ = 190510944. Its totient is φ = 87764040.

The previous prime is 131769107. The next prime is 131769133. The reversal of 131769117 is 711967131.

It is not a de Polignac number, because 131769117 - 2¹⁶ = 131703581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131769107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4288 + ... + 16790.

It is an arithmetic number, because the mean of its divisors is an integer number (15875912).

Almost surely, 2^131769117 is an apocalyptic number.

It is an amenable number.

131769117 is a deficient number, since it is larger than the sum of its proper divisors (58741827).

131769117 is a wasteful number, since it uses less digits than its factorization.

131769117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13680 (or 13677 counting only the distinct ones).

The product of its digits is 7938, while the sum is 36.

The square root of 131769117 is about 11479.0730026427. The cubic root of 131769117 is about 508.8673016207.

The spelling of 131769117 in words is "one hundred thirty-one million, seven hundred sixty-nine thousand, one hundred seventeen".