136340742 has 8 divisors (see below), whose sum is σ = 272681496. Its totient is φ = 45446912.

The previous prime is 136340741. The next prime is 136340753. The reversal of 136340742 is 247043631.

It is a sphenic number, since it is the product of 3 distinct primes.

136340742 is an admirable number.

It is a super-2 number, since 2×136340742² = 37177595858221128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136340741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11361723 + ... + 11361734.

It is an arithmetic number, because the mean of its divisors is an integer number (34085187).

Almost surely, 2^136340742 is an apocalyptic number.

136340742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136340742 is a wasteful number, since it uses less digits than its factorization.

136340742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22723462.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 136340742 is about 11676.5038431887. The cubic root of 136340742 is about 514.6854421196.

The spelling of 136340742 in words is "one hundred thirty-six million, three hundred forty thousand, seven hundred forty-two".