2836139381 has 8 divisors (see below), whose sum is σ = 2888706240. Its totient is φ = 2783722528.

The previous prime is 2836139363. The next prime is 2836139387. The reversal of 2836139381 is 1839316382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2836139381 is a prime.

It is a super-2 number, since 2×2836139381² = 16087373176918126322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2836139387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 75321.

It is an arithmetic number, because the mean of its divisors is an integer number (361088280).

Almost surely, 2^2836139381 is an apocalyptic number.

It is an amenable number.

2836139381 is a deficient number, since it is larger than the sum of its proper divisors (52566859).

2836139381 is an equidigital number, since it uses as much as digits as its factorization.

2836139381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75003.

The product of its digits is 186624, while the sum is 44.

The square root of 2836139381 is about 53255.4164475314. The cubic root of 2836139381 is about 1415.4977719061.

The spelling of 2836139381 in words is "two billion, eight hundred thirty-six million, one hundred thirty-nine thousand, three hundred eighty-one".