135111613450 has 48 divisors (see below), whose sum is σ = 288582913440. Its totient is φ = 46545624000.

The previous prime is 135111613409. The next prime is 135111613451. The reversal of 135111613450 is 54316111531.

It is not an unprimeable number, because it can be changed into a prime (135111613451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6454221 + ... + 6475120.

It is an arithmetic number, because the mean of its divisors is an integer number (6012144030).

Almost surely, 2^135111613450 is an apocalyptic number.

135111613450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135111613450 is an abundant number, since it is smaller than the sum of its proper divisors (153471299990).

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

135111613450 is a wasteful number, since it uses less digits than its factorization.

135111613450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929383 (or 12929378 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 135111613450 its reverse (54316111531), we get a palindrome (189427724981).

The spelling of 135111613450 in words is "one hundred thirty-five billion, one hundred eleven million, six hundred thirteen thousand, four hundred fifty".