135443634 has 16 divisors (see below), whose sum is σ = 271009920. Its totient is φ = 45127440.

The previous prime is 135443617. The next prime is 135443663. The reversal of 135443634 is 436344531.

It is a super-2 number, since 2×135443634² = 36689955982251912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135443595 and 135443604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15879 + ... + 22869.

It is an arithmetic number, because the mean of its divisors is an integer number (16938120).

Almost surely, 2^135443634 is an apocalyptic number.

135443634 is an abundant number, since it is smaller than the sum of its proper divisors (135566286).

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

135443634 is a wasteful number, since it uses less digits than its factorization.

135443634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10225.

The product of its digits is 51840, while the sum is 33.

The square root of 135443634 is about 11638.0253479703. The cubic root of 135443634 is about 513.5540980876.

The spelling of 135443634 in words is "one hundred thirty-five million, four hundred forty-three thousand, six hundred thirty-four".