135122345000 has 80 divisors (see below), whose sum is σ = 319727420100. Its totient is φ = 53513600000.

The previous prime is 135122344999. The next prime is 135122345047. The reversal of 135122345000 is 543221531.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 4508048164 + 130614296836 = 67142^2 + 361406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 371216 + ... + 638784.

Almost surely, 2^135122345000 is an apocalyptic number.

135122345000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135122345000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159863710050).

135122345000 is an abundant number, since it is smaller than the sum of its proper divisors (184605075100).

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

135122345000 is a wasteful number, since it uses less digits than its factorization.

135122345000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267696 (or 267677 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 135122345000 its reverse (543221531), we get a palindrome (135665566531).

The spelling of 135122345000 in words is "one hundred thirty-five billion, one hundred twenty-two million, three hundred forty-five thousand".