3154021139 has 2 divisors, whose sum is σ = 3154021140. Its totient is φ = 3154021138.

The previous prime is 3154021097. The next prime is 3154021153. The reversal of 3154021139 is 9311204513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3154021139 is a prime.

It is not a weakly prime, because it can be changed into another prime (3154021159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577010569 + 1577010570.

It is an arithmetic number, because the mean of its divisors is an integer number (1577010570).

Almost surely, 2^3154021139 is an apocalyptic number.

3154021139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3154021139 is an equidigital number, since it uses as much as digits as its factorization.

3154021139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3154021139 is about 56160.6725298051. The cubic root of 3154021139 is about 1466.5207083459.

The spelling of 3154021139 in words is "three billion, one hundred fifty-four million, twenty-one thousand, one hundred thirty-nine".