135871730 has 16 divisors (see below), whose sum is σ = 244702080. Its totient is φ = 54319152.

The previous prime is 135871727. The next prime is 135871781. The reversal of 135871730 is 37178531.

It is a super-2 number, since 2×135871730² = 36922254026385800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32711 + ... + 36629.

It is an arithmetic number, because the mean of its divisors is an integer number (15293880).

Almost surely, 2^135871730 is an apocalyptic number.

135871730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135871730 is a deficient number, since it is larger than the sum of its proper divisors (108830350).

135871730 is a wasteful number, since it uses less digits than its factorization.

135871730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 135871730 is about 11656.4029614629. The cubic root of 135871730 is about 514.0945916441.

The spelling of 135871730 in words is "one hundred thirty-five million, eight hundred seventy-one thousand, seven hundred thirty".