131750149 has 4 divisors (see below), whose sum is σ = 131825664. Its totient is φ = 131674636.

The previous prime is 131750147. The next prime is 131750159. The reversal of 131750149 is 941057131.

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 not a de Polignac number, because 131750149 - 2¹ = 131750147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131750149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131750147) 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, 35077 + ... + 38650.

It is an arithmetic number, because the mean of its divisors is an integer number (32956416).

Almost surely, 2^131750149 is an apocalyptic number.

It is an amenable number.

131750149 is a deficient number, since it is larger than the sum of its proper divisors (75515).

131750149 is an equidigital number, since it uses as much as digits as its factorization.

131750149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75514.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 131750149 is about 11478.2467737891. The cubic root of 131750149 is about 508.8428835113.

The spelling of 131750149 in words is "one hundred thirty-one million, seven hundred fifty thousand, one hundred forty-nine".