116431537 has 8 divisors (see below), whose sum is σ = 117261000. Its totient is φ = 115605504.

The previous prime is 116431529. The next prime is 116431547. The reversal of 116431537 is 735134611.

It can be written as a sum of positive squares in 4 ways, for example, as 46022656 + 70408881 = 6784^2 + 8391^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 116431537 - 2³ = 116431529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116431499 and 116431508.

It is not an unprimeable number, because it can be changed into a prime (116431547) 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, 114889 + ... + 115897.

It is an arithmetic number, because the mean of its divisors is an integer number (14657625).

Almost surely, 2^116431537 is an apocalyptic number.

It is an amenable number.

116431537 is a deficient number, since it is larger than the sum of its proper divisors (829463).

116431537 is a wasteful number, since it uses less digits than its factorization.

116431537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its digits is 7560, while the sum is 31.

The square root of 116431537 is about 10790.3446191491. The cubic root of 116431537 is about 488.3039194026.

The spelling of 116431537 in words is "one hundred sixteen million, four hundred thirty-one thousand, five hundred thirty-seven".