135922261488 has 160 divisors (see below), whose sum is σ = 380127336960. Its totient is φ = 41603466240.

The previous prime is 135922261487. The next prime is 135922261523. The reversal of 135922261488 is 884162229531.

It is a super-2 number, since 2×135922261488² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135922261488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135922261487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147901893 + ... + 147902811.

It is an arithmetic number, because the mean of its divisors is an integer number (2375795856).

Almost surely, 2^135922261488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135922261488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190063668480).

135922261488 is an abundant number, since it is smaller than the sum of its proper divisors (244205075472).

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

135922261488 is a wasteful number, since it uses less digits than its factorization.

135922261488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927 (or 1921 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 135922261488 in words is "one hundred thirty-five billion, nine hundred twenty-two million, two hundred sixty-one thousand, four hundred eighty-eight".