131579077 has 8 divisors (see below), whose sum is σ = 151782336. Its totient is φ = 111727392.

The previous prime is 131579059. The next prime is 131579083. The reversal of 131579077 is 770975131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131579077 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 (131579017) 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, 87088 + ... + 88585.

It is an arithmetic number, because the mean of its divisors is an integer number (18972792).

Almost surely, 2^131579077 is an apocalyptic number.

It is an amenable number.

131579077 is a deficient number, since it is larger than the sum of its proper divisors (20203259).

131579077 is a wasteful number, since it uses less digits than its factorization.

131579077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175787.

The product of its (nonzero) digits is 46305, while the sum is 40.

The square root of 131579077 is about 11470.7923440362. The cubic root of 131579077 is about 508.6225511271.

The spelling of 131579077 in words is "one hundred thirty-one million, five hundred seventy-nine thousand, seventy-seven".