131606151 has 16 divisors (see below), whose sum is σ = 180641664. Its totient is φ = 85165344.

The previous prime is 131606149. The next prime is 131606183. The reversal of 131606151 is 151606131.

It is not a de Polignac number, because 131606151 - 2¹ = 131606149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131606051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56920 + ... + 59186.

It is an arithmetic number, because the mean of its divisors is an integer number (11290104).

Almost surely, 2^131606151 is an apocalyptic number.

131606151 is a deficient number, since it is larger than the sum of its proper divisors (49035513).

131606151 is a wasteful number, since it uses less digits than its factorization.

131606151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 131606151 is about 11471.9724110547. The cubic root of 131606151 is about 508.6574338326.

The spelling of 131606151 in words is "one hundred thirty-one million, six hundred six thousand, one hundred fifty-one".