136892143 has 4 divisors (see below), whose sum is σ = 144944640. Its totient is φ = 128839648.

The previous prime is 136892141. The next prime is 136892201. The reversal of 136892143 is 341298631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341298631 = 47 ⋅7261673.

It is a cyclic number.

It is not a de Polignac number, because 136892143 - 2¹ = 136892141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136892141) 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, 4026223 + ... + 4026256.

It is an arithmetic number, because the mean of its divisors is an integer number (36236160).

Almost surely, 2^136892143 is an apocalyptic number.

136892143 is a deficient number, since it is larger than the sum of its proper divisors (8052497).

136892143 is an equidigital number, since it uses as much as digits as its factorization.

136892143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052496.

The product of its digits is 31104, while the sum is 37.

The square root of 136892143 is about 11700.0915808382. The cubic root of 136892143 is about 515.3783539466.

The spelling of 136892143 in words is "one hundred thirty-six million, eight hundred ninety-two thousand, one hundred forty-three".