136889464903 has 2 divisors, whose sum is σ = 136889464904. Its totient is φ = 136889464902.

The previous prime is 136889464897. The next prime is 136889464919. The reversal of 136889464903 is 309464988631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136889464903 - 2⁹ = 136889464391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136889464963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68444732451 + 68444732452.

It is an arithmetic number, because the mean of its divisors is an integer number (68444732452).

Almost surely, 2^136889464903 is an apocalyptic number.

136889464903 is a deficient number, since it is larger than the sum of its proper divisors (1).

136889464903 is an equidigital number, since it uses as much as digits as its factorization.

136889464903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 136889464903 in words is "one hundred thirty-six billion, eight hundred eighty-nine million, four hundred sixty-four thousand, nine hundred three".