135250320541 has 16 divisors (see below), whose sum is σ = 157243057024. Its totient is φ = 113936626944.

The previous prime is 135250320539. The next prime is 135250320551. The reversal of 135250320541 is 145023052531.

It is not a de Polignac number, because 135250320541 - 2¹ = 135250320539 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 (135250320511) 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, 323016 + ... + 612241.

It is an arithmetic number, because the mean of its divisors is an integer number (9827691064).

Almost surely, 2^135250320541 is an apocalyptic number.

It is an amenable number.

135250320541 is a deficient number, since it is larger than the sum of its proper divisors (21992736483).

135250320541 is an equidigital number, since it uses as much as digits as its factorization.

135250320541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935620.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 135250320541 in words is "one hundred thirty-five billion, two hundred fifty million, three hundred twenty thousand, five hundred forty-one".