136631345203 has 16 divisors (see below), whose sum is σ = 139095066240. Its totient is φ = 134180798400.

The previous prime is 136631345161. The next prime is 136631345287. The reversal of 136631345203 is 302543136631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136631345203 is a prime.

It is a super-2 number, since 2×136631345203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136631345803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37015588 + ... + 37019278.

It is an arithmetic number, because the mean of its divisors is an integer number (8693441640).

Almost surely, 2^136631345203 is an apocalyptic number.

136631345203 is a deficient number, since it is larger than the sum of its proper divisors (2463721037).

136631345203 is an equidigital number, since it uses as much as digits as its factorization.

136631345203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 136631345203 in words is "one hundred thirty-six billion, six hundred thirty-one million, three hundred forty-five thousand, two hundred three".