136869771401 has 24 divisors (see below), whose sum is σ = 160558179264. Its totient is φ = 115653975840.

The previous prime is 136869771359. The next prime is 136869771449. The reversal of 136869771401 is 104177968631.

It is not a de Polignac number, because 136869771401 - 2¹⁴ = 136869755017 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136869771461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114701 + ... + 535626.

It is an arithmetic number, because the mean of its divisors is an integer number (6689924136).

Almost surely, 2^136869771401 is an apocalyptic number.

136869771401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136869771401 is a deficient number, since it is larger than the sum of its proper divisors (23688407863).

136869771401 is a wasteful number, since it uses less digits than its factorization.

136869771401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650429 (or 650410 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 136869771401 in words is "one hundred thirty-six billion, eight hundred sixty-nine million, seven hundred seventy-one thousand, four hundred one".