131733137 has 4 divisors (see below), whose sum is σ = 138666480. Its totient is φ = 124799796.

The previous prime is 131733131. The next prime is 131733169. The reversal of 131733137 is 731337131.

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 a de Polignac number, because none of the positive numbers 2^k-131733137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131733131) 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, 3466643 + ... + 3466680.

It is an arithmetic number, because the mean of its divisors is an integer number (34666620).

Almost surely, 2^131733137 is an apocalyptic number.

It is an amenable number.

131733137 is a deficient number, since it is larger than the sum of its proper divisors (6933343).

131733137 is an equidigital number, since it uses as much as digits as its factorization.

131733137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933342.

The product of its digits is 3969, while the sum is 29.

The square root of 131733137 is about 11477.5056959254. The cubic root of 131733137 is about 508.8209814292.

The spelling of 131733137 in words is "one hundred thirty-one million, seven hundred thirty-three thousand, one hundred thirty-seven".