136834542 has 64 divisors (see below), whose sum is σ = 344736000. Its totient is φ = 39883104.

The previous prime is 136834517. The next prime is 136834559. The reversal of 136834542 is 245438631.

136834542 is a `hidden beast` number, since 1 + 36 + 83 + 4 + 542 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 136834497 and 136834506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8209 + ... + 18467.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^136834542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136834542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172368000).

136834542 is an abundant number, since it is smaller than the sum of its proper divisors (207901458).

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

136834542 is a wasteful number, since it uses less digits than its factorization.

136834542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10302 (or 10296 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 136834542 is about 11697.6297599129. The cubic root of 136834542 is about 515.3060574348.

It can be divided in two parts, 13683 and 4542, that added together give a square (18225 = 135²).

The spelling of 136834542 in words is "one hundred thirty-six million, eight hundred thirty-four thousand, five hundred forty-two".