2654139139 has 4 divisors (see below), whose sum is σ = 2693753224. Its totient is φ = 2614525056.

The previous prime is 2654139113. The next prime is 2654139143. The reversal of 2654139139 is 9319314562.

It is a happy number.

2654139139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2654139139 - 2⁷ = 2654139011 is a prime.

It is a super-2 number, since 2×2654139139² = 14088909138343322642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2654139095 and 2654139104.

It is not an unprimeable number, because it can be changed into a prime (2654139109) 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, 19806942 + ... + 19807075.

It is an arithmetic number, because the mean of its divisors is an integer number (673438306).

Almost surely, 2^2654139139 is an apocalyptic number.

2654139139 is a deficient number, since it is larger than the sum of its proper divisors (39614085).

2654139139 is an equidigital number, since it uses as much as digits as its factorization.

2654139139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39614084.

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

The square root of 2654139139 is about 51518.3378905026. The cubic root of 2654139139 is about 1384.5476136807.

The spelling of 2654139139 in words is "two billion, six hundred fifty-four million, one hundred thirty-nine thousand, one hundred thirty-nine".