135242770 has 64 divisors (see below), whose sum is σ = 278240256. Its totient is φ = 46967040.

The previous prime is 135242759. The next prime is 135242791. The reversal of 135242770 is 77242531.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148657 + ... + 149563.

It is an arithmetic number, because the mean of its divisors is an integer number (4347504).

Almost surely, 2^135242770 is an apocalyptic number.

135242770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135242770 is an abundant number, since it is smaller than the sum of its proper divisors (142997486).

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

135242770 is a wasteful number, since it uses less digits than its factorization.

135242770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 135242770 is about 11629.3925034801. The cubic root of 135242770 is about 513.3001042001.

The spelling of 135242770 in words is "one hundred thirty-five million, two hundred forty-two thousand, seven hundred seventy".