131664337 has 8 divisors (see below), whose sum is σ = 159325056. Its totient is φ = 106216512.

The previous prime is 131664331. The next prime is 131664367. The reversal of 131664337 is 733466131.

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 131664337 - 2¹⁹ = 131140049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131664331) 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, 553093 + ... + 553330.

It is an arithmetic number, because the mean of its divisors is an integer number (19915632).

Almost surely, 2^131664337 is an apocalyptic number.

131664337 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

131664337 is a deficient number, since it is larger than the sum of its proper divisors (27660719).

131664337 is a wasteful number, since it uses less digits than its factorization.

131664337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106447.

The product of its digits is 27216, while the sum is 34.

The square root of 131664337 is about 11474.5081376066. The cubic root of 131664337 is about 508.7323857010.

The spelling of 131664337 in words is "one hundred thirty-one million, six hundred sixty-four thousand, three hundred thirty-seven".