135170742 has 32 divisors (see below), whose sum is σ = 313201152. Its totient is φ = 38090304.

The previous prime is 135170719. The next prime is 135170743. The reversal of 135170742 is 247071531.

It is a super-2 number, since 2×135170742² = 36542258985661128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135170743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18978 + ... + 25109.

It is an arithmetic number, because the mean of its divisors is an integer number (9787536).

Almost surely, 2^135170742 is an apocalyptic number.

135170742 is an abundant number, since it is smaller than the sum of its proper divisors (178030410).

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

135170742 is a wasteful number, since it uses less digits than its factorization.

135170742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44172.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 135170742 is about 11626.2952826771. The cubic root of 135170742 is about 513.2089630486.

The spelling of 135170742 in words is "one hundred thirty-five million, one hundred seventy thousand, seven hundred forty-two".