135250052531 has 16 divisors (see below), whose sum is σ = 157771460448. Its totient is φ = 114576192000.

The previous prime is 135250052527. The next prime is 135250052569.

135250052531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135250052531 - 2² = 135250052527 is a prime.

It is a super-2 number, since 2×135250052531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135250052131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561620 + ... + 3599393.

It is an arithmetic number, because the mean of its divisors is an integer number (9860716278).

Almost surely, 2^135250052531 is an apocalyptic number.

135250052531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135250052531 is a deficient number, since it is larger than the sum of its proper divisors (22521407917).

135250052531 is a wasteful number, since it uses less digits than its factorization.

135250052531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161142.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 135250052531 in words is "one hundred thirty-five billion, two hundred fifty million, fifty-two thousand, five hundred thirty-one".