135161374000 has 80 divisors (see below), whose sum is σ = 328514509440. Its totient is φ = 53784268800.

The previous prime is 135161373967. The next prime is 135161374001. The reversal of 135161374000 is 473161531.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (135161374001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210921 + ... + 561079.

It is an arithmetic number, because the mean of its divisors is an integer number (4106431368).

Almost surely, 2^135161374000 is an apocalyptic number.

135161374000 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 135161374000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164257254720).

135161374000 is an abundant number, since it is smaller than the sum of its proper divisors (193353135440).

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

135161374000 is a wasteful number, since it uses less digits than its factorization.

135161374000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350375 (or 350359 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 135161374000 in words is "one hundred thirty-five billion, one hundred sixty-one million, three hundred seventy-four thousand".