136743442537 has 16 divisors (see below), whose sum is σ = 151646756800. Its totient is φ = 122503897152.

The previous prime is 136743442513. The next prime is 136743442601. The reversal of 136743442537 is 735244347631.

It is a happy number.

It is not a de Polignac number, because 136743442537 - 2¹¹ = 136743440489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136743442337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691287 + ... + 866812.

It is an arithmetic number, because the mean of its divisors is an integer number (9477922300).

Almost surely, 2^136743442537 is an apocalyptic number.

It is an amenable number.

136743442537 is a deficient number, since it is larger than the sum of its proper divisors (14903314263).

136743442537 is a wasteful number, since it uses less digits than its factorization.

136743442537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558312.

The product of its digits is 5080320, while the sum is 49.

The spelling of 136743442537 in words is "one hundred thirty-six billion, seven hundred forty-three million, four hundred forty-two thousand, five hundred thirty-seven".