6135492139 has 4 divisors (see below), whose sum is σ = 7011991024. Its totient is φ = 5258993256.

The previous prime is 6135492127. The next prime is 6135492157. The reversal of 6135492139 is 9312945316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6135492139 - 2²¹ = 6133394987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6135492095 and 6135492104.

It is not an unprimeable number, because it can be changed into a prime (6135492119) 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, 438249432 + ... + 438249445.

It is an arithmetic number, because the mean of its divisors is an integer number (1752997756).

Almost surely, 2^6135492139 is an apocalyptic number.

6135492139 is a deficient number, since it is larger than the sum of its proper divisors (876498885).

6135492139 is an equidigital number, since it uses as much as digits as its factorization.

6135492139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876498884.

The product of its digits is 174960, while the sum is 43.

The square root of 6135492139 is about 78329.3823478776. The cubic root of 6135492139 is about 1830.6969922093.

The spelling of 6135492139 in words is "six billion, one hundred thirty-five million, four hundred ninety-two thousand, one hundred thirty-nine".