136042740 has 120 divisors (see below), whose sum is σ = 432579840. Its totient is φ = 35785152.

The previous prime is 136042681. The next prime is 136042771. The reversal of 136042740 is 47240631.

136042740 is a `hidden beast` number, since 13 + 604 + 2 + 7 + 40 = 666.

136042740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127449 + ... + 128511.

It is an arithmetic number, because the mean of its divisors is an integer number (3604832).

Almost surely, 2^136042740 is an apocalyptic number.

136042740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136042740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216289920).

136042740 is an abundant number, since it is smaller than the sum of its proper divisors (296537100).

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

136042740 is a wasteful number, since it uses less digits than its factorization.

136042740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 136042740 is about 11663.7361081259. The cubic root of 136042740 is about 514.3101833596.

It can be divided in two parts, 1360 and 42740, that added together give a square (44100 = 210²).

The spelling of 136042740 in words is "one hundred thirty-six million, forty-two thousand, seven hundred forty".