131525502135 has 8 divisors (see below), whose sum is σ = 210440803440. Its totient is φ = 70146934464.

The previous prime is 131525502113. The next prime is 131525502179. The reversal of 131525502135 is 531205525131.

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 131525502135 - 2¹³ = 131525493943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131525502096 and 131525502105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4384183390 + ... + 4384183419.

It is an arithmetic number, because the mean of its divisors is an integer number (26305100430).

Almost surely, 2^131525502135 is an apocalyptic number.

131525502135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131525502135 is a deficient number, since it is larger than the sum of its proper divisors (78915301305).

131525502135 is an equidigital number, since it uses as much as digits as its factorization.

131525502135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768366817.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 131525502135 in words is "one hundred thirty-one billion, five hundred twenty-five million, five hundred two thousand, one hundred thirty-five".