135111054 has 16 divisors (see below), whose sum is σ = 291008592. Its totient is φ = 41572608.

The previous prime is 135111023. The next prime is 135111073. The reversal of 135111054 is 450111531.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135111054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866019 + ... + 866174.

It is an arithmetic number, because the mean of its divisors is an integer number (18188037).

Almost surely, 2^135111054 is an apocalyptic number.

135111054 is an abundant number, since it is smaller than the sum of its proper divisors (155897538).

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

135111054 is a wasteful number, since it uses less digits than its factorization.

135111054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732211.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 135111054 is about 11623.7280594481. The cubic root of 135111054 is about 513.1334118702.

Adding to 135111054 its reverse (450111531), we get a palindrome (585222585).

The spelling of 135111054 in words is "one hundred thirty-five million, one hundred eleven thousand, fifty-four".