135218701400 has 24 divisors (see below), whose sum is σ = 314383481220. Its totient is φ = 54087480480.

The previous prime is 135218701381. The next prime is 135218701487. The reversal of 135218701400 is 4107812531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338046554 + ... + 338046953.

Almost surely, 2^135218701400 is an apocalyptic number.

135218701400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135218701400 is an abundant number, since it is smaller than the sum of its proper divisors (179164779820).

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

135218701400 is a wasteful number, since it uses less digits than its factorization.

135218701400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676093523 (or 676093514 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 135218701400 in words is "one hundred thirty-five billion, two hundred eighteen million, seven hundred one thousand, four hundred".