139103311 has 2 divisors, whose sum is σ = 139103312. Its totient is φ = 139103310.

The previous prime is 139103309. The next prime is 139103369. The reversal of 139103311 is 113301931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139103311 - 2¹ = 139103309 is a prime.

It is a super-2 number, since 2×139103311² = 38699462262325442, which contains 22 as substring.

Together with 139103309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139103381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69551655 + 69551656.

It is an arithmetic number, because the mean of its divisors is an integer number (69551656).

Almost surely, 2^139103311 is an apocalyptic number.

139103311 is a deficient number, since it is larger than the sum of its proper divisors (1).

139103311 is an equidigital number, since it uses as much as digits as its factorization.

139103311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 139103311 is about 11794.2066710737. The cubic root of 139103311 is about 518.1384510383.

The spelling of 139103311 in words is "one hundred thirty-nine million, one hundred three thousand, three hundred eleven".