136130263537 has 4 divisors (see below), whose sum is σ = 144137926116. Its totient is φ = 128122600960.

The previous prime is 136130263523. The next prime is 136130263543. The reversal of 136130263537 is 735362031631.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 117627734961 + 18502528576 = 342969^2 + 136024^2 .

It is a cyclic number.

It is not a de Polignac number, because 136130263537 - 2¹¹ = 136130261489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136130263537.

It is not an unprimeable number, because it can be changed into a prime (136130269537) 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, 4003831264 + ... + 4003831297.

It is an arithmetic number, because the mean of its divisors is an integer number (36034481529).

Almost surely, 2^136130263537 is an apocalyptic number.

136130263537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136130263537 is a deficient number, since it is larger than the sum of its proper divisors (8007662579).

136130263537 is an equidigital number, since it uses as much as digits as its factorization.

136130263537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007662578.

The product of its (nonzero) digits is 204120, while the sum is 40.

The spelling of 136130263537 in words is "one hundred thirty-six billion, one hundred thirty million, two hundred sixty-three thousand, five hundred thirty-seven".