131725102557 has 8 divisors (see below), whose sum is σ = 176104338784. Its totient is φ = 87581300688.

The previous prime is 131725102547. The next prime is 131725102577. The reversal of 131725102557 is 755201527131.

It is a happy number.

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

It is not a de Polignac number, because 131725102557 - 2¹⁰ = 131725101533 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 (131725102547) 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, 58857283 + ... + 58859520.

It is an arithmetic number, because the mean of its divisors is an integer number (22013042348).

Almost surely, 2^131725102557 is an apocalyptic number.

It is an amenable number.

131725102557 is a deficient number, since it is larger than the sum of its proper divisors (44379236227).

131725102557 is a wasteful number, since it uses less digits than its factorization.

131725102557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117717179.

The product of its (nonzero) digits is 73500, while the sum is 39.

Adding to 131725102557 its reverse (755201527131), we get a palindrome (886926629688).

The spelling of 131725102557 in words is "one hundred thirty-one billion, seven hundred twenty-five million, one hundred two thousand, five hundred fifty-seven".