190136486401 has 4 divisors (see below), whose sum is σ = 190144012500. Its totient is φ = 190128960304.

The previous prime is 190136486399. The next prime is 190136486431. The reversal of 190136486401 is 104684631091.

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 21113543025 + 169022943376 = 145305^2 + 411124^2 .

It is a cyclic number.

It is not a de Polignac number, because 190136486401 - 2¹ = 190136486399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190136486431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725026 + ... + 3775723.

It is an arithmetic number, because the mean of its divisors is an integer number (47536003125).

Almost surely, 2^190136486401 is an apocalyptic number.

It is an amenable number.

190136486401 is a deficient number, since it is larger than the sum of its proper divisors (7526099).

190136486401 is an equidigital number, since it uses as much as digits as its factorization.

190136486401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526098.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 190136486401 in words is "one hundred ninety billion, one hundred thirty-six million, four hundred eighty-six thousand, four hundred one".