135533531454 has 32 divisors (see below), whose sum is σ = 272778261120. Its totient is φ = 44892742752.

The previous prime is 135533531411. The next prime is 135533531477. The reversal of 135533531454 is 454135335531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8664112 + ... + 8679740.

It is an arithmetic number, because the mean of its divisors is an integer number (8524320660).

Almost surely, 2^135533531454 is an apocalyptic number.

135533531454 is an abundant number, since it is smaller than the sum of its proper divisors (137244729666).

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

135533531454 is a wasteful number, since it uses less digits than its factorization.

135533531454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24664.

The product of its digits is 810000, while the sum is 42.

Adding to 135533531454 its reverse (454135335531), we get a palindrome (589668866985).

The spelling of 135533531454 in words is "one hundred thirty-five billion, five hundred thirty-three million, five hundred thirty-one thousand, four hundred fifty-four".