135131475102 has 128 divisors (see below), whose sum is σ = 311256207360. Its totient is φ = 38793323520.

The previous prime is 135131475091. The next prime is 135131475113. The reversal of 135131475102 is 201574131531.

It is an interprime number because it is at equal distance from previous prime (135131475091) and next prime (135131475113).

It is a zygodrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81551058 + ... + 81552714.

It is an arithmetic number, because the mean of its divisors is an integer number (2431689120).

Almost surely, 2^135131475102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135131475102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155628103680).

135131475102 is an abundant number, since it is smaller than the sum of its proper divisors (176124732258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135131475102 is a wasteful number, since it uses less digits than its factorization.

135131475102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 135131475102 in words is "one hundred thirty-five billion, one hundred thirty-one million, four hundred seventy-five thousand, one hundred two".