135351812554 has 16 divisors (see below), whose sum is σ = 232036414848. Its totient is φ = 58006735632.

The previous prime is 135351812551. The next prime is 135351812573. The reversal of 135351812554 is 455218153531.

It is a super-2 number, since 2×135351812554² (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 135351812554.

It is not an unprimeable number, because it can be changed into a prime (135351812551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212667 + ... + 1319569.

It is an arithmetic number, because the mean of its divisors is an integer number (14502275928).

Almost surely, 2^135351812554 is an apocalyptic number.

135351812554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135351812554 is a deficient number, since it is larger than the sum of its proper divisors (96684602294).

135351812554 is a wasteful number, since it uses less digits than its factorization.

135351812554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197349.

The product of its digits is 360000, while the sum is 43.

The spelling of 135351812554 in words is "one hundred thirty-five billion, three hundred fifty-one million, eight hundred twelve thousand, five hundred fifty-four".