135244401534 has 96 divisors (see below), whose sum is σ = 324929404800. Its totient is φ = 40314127680.

The previous prime is 135244401521. The next prime is 135244401547. The reversal of 135244401534 is 435104442531.

135244401534 is a `hidden beast` number, since 1 + 3 + 5 + 244 + 401 + 5 + 3 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (135244401521) and next prime (135244401547).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2977357 + ... + 3022439.

It is an arithmetic number, because the mean of its divisors is an integer number (3384681300).

Almost surely, 2^135244401534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135244401534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162464702400).

135244401534 is an abundant number, since it is smaller than the sum of its proper divisors (189685003266).

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

135244401534 is a wasteful number, since it uses less digits than its factorization.

135244401534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45350 (or 45347 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 135244401534 in words is "one hundred thirty-five billion, two hundred forty-four million, four hundred one thousand, five hundred thirty-four".