135520255454 has 8 divisors (see below), whose sum is σ = 203287597128. Its totient is φ = 67757723080.

The previous prime is 135520255447. The next prime is 135520255469. The reversal of 135520255454 is 454552025531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135520255454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131032 + ... + 1245099.

It is an arithmetic number, because the mean of its divisors is an integer number (25410949641).

Almost surely, 2^135520255454 is an apocalyptic number.

135520255454 is a deficient number, since it is larger than the sum of its proper divisors (67767341674).

135520255454 is a wasteful number, since it uses less digits than its factorization.

135520255454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404650.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 135520255454 in words is "one hundred thirty-five billion, five hundred twenty million, two hundred fifty-five thousand, four hundred fifty-four".