135408742 has 32 divisors (see below), whose sum is σ = 236966400. Its totient is φ = 56833920.

The previous prime is 135408731. The next prime is 135408787. The reversal of 135408742 is 247804531.

It is a junction number, because it is equal to n+sod(n) for n = 135408698 and 135408707.

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, 225759 + ... + 226357.

It is an arithmetic number, because the mean of its divisors is an integer number (7405200).

Almost surely, 2^135408742 is an apocalyptic number.

135408742 is a deficient number, since it is larger than the sum of its proper divisors (101557658).

135408742 is a wasteful number, since it uses less digits than its factorization.

135408742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 135408742 is about 11636.5261998588. The cubic root of 135408742 is about 513.5099949480.

The spelling of 135408742 in words is "one hundred thirty-five million, four hundred eight thousand, seven hundred forty-two".