131501149 has 8 divisors (see below), whose sum is σ = 143209080. Its totient is φ = 120020736.

The previous prime is 131501141. The next prime is 131501173. The reversal of 131501149 is 941105131.

It can be written as a sum of positive squares in 4 ways, for example, as 7022500 + 124478649 = 2650^2 + 11157^2 .

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 131501149 - 2³ = 131501141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131501141) 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, 55672 + ... + 57985.

It is an arithmetic number, because the mean of its divisors is an integer number (17901135).

Almost surely, 2^131501149 is an apocalyptic number.

It is an amenable number.

131501149 is a deficient number, since it is larger than the sum of its proper divisors (11707931).

131501149 is a wasteful number, since it uses less digits than its factorization.

131501149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113759.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 131501149 is about 11467.3950398510. The cubic root of 131501149 is about 508.5221203533.

The spelling of 131501149 in words is "one hundred thirty-one million, five hundred one thousand, one hundred forty-nine".