135597338442 has 128 divisors (see below), whose sum is σ = 336162078720. Its totient is φ = 40295059200.

The previous prime is 135597338431. The next prime is 135597338453. The reversal of 135597338442 is 244833795531.

135597338442 is a `hidden beast` number, since 1 + 3 + 5 + 597 + 3 + 3 + 8 + 4 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (135597338431) and next prime (135597338453).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2143567 + ... + 2205917.

It is an arithmetic number, because the mean of its divisors is an integer number (2626266240).

Almost surely, 2^135597338442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135597338442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168081039360).

135597338442 is an abundant number, since it is smaller than the sum of its proper divisors (200564740278).

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

135597338442 is a wasteful number, since it uses less digits than its factorization.

135597338442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62505 (or 62499 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 135597338442 in words is "one hundred thirty-five billion, five hundred ninety-seven million, three hundred thirty-eight thousand, four hundred forty-two".