136342540039 has 4 divisors (see below), whose sum is σ = 137692466280. Its totient is φ = 134992613800.

The previous prime is 136342540003. The next prime is 136342540049. The reversal of 136342540039 is 930045243631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136342540039 - 2⁷ = 136342539911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136342539983 and 136342540010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136342540049) 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, 674962969 + ... + 674963170.

It is an arithmetic number, because the mean of its divisors is an integer number (34423116570).

Almost surely, 2^136342540039 is an apocalyptic number.

136342540039 is a deficient number, since it is larger than the sum of its proper divisors (1349926241).

136342540039 is a wasteful number, since it uses less digits than its factorization.

136342540039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349926240.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 136342540039 in words is "one hundred thirty-six billion, three hundred forty-two million, five hundred forty thousand, thirty-nine".