135044542400 has 84 divisors (see below), whose sum is σ = 332380532088. Its totient is φ = 54003747840.

The previous prime is 135044542361. The next prime is 135044542427. The reversal of 135044542400 is 4245440531.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7922687 + ... + 7939713.

Almost surely, 2^135044542400 is an apocalyptic number.

135044542400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135044542400 is an abundant number, since it is smaller than the sum of its proper divisors (197335989688).

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

135044542400 is a wasteful number, since it uses less digits than its factorization.

135044542400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 135044542400 its reverse (4245440531), we get a palindrome (139289982931).

The spelling of 135044542400 in words is "one hundred thirty-five billion, forty-four million, five hundred forty-two thousand, four hundred".