136354018187 has 4 divisors (see below), whose sum is σ = 143530545480. Its totient is φ = 129177490896.

The previous prime is 136354018147. The next prime is 136354018189. The reversal of 136354018187 is 781810453631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781810453631 = 19403 ⋅40293277.

It is a cyclic number.

It is not a de Polignac number, because 136354018187 - 2⁸ = 136354017931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136354018189) 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, 3588263618 + ... + 3588263655.

It is an arithmetic number, because the mean of its divisors is an integer number (35882636370).

Almost surely, 2^136354018187 is an apocalyptic number.

136354018187 is a deficient number, since it is larger than the sum of its proper divisors (7176527293).

136354018187 is an equidigital number, since it uses as much as digits as its factorization.

136354018187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176527292.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 136354018187 in words is "one hundred thirty-six billion, three hundred fifty-four million, eighteen thousand, one hundred eighty-seven".