1139334401 has 2 divisors, whose sum is σ = 1139334402. Its totient is φ = 1139334400.

The previous prime is 1139334359. The next prime is 1139334403. The reversal of 1139334401 is 1044339311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1090320400 + 49014001 = 33020^2 + 7001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139334401 - 2⁶ = 1139334337 is a prime.

Together with 1139334403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1139334403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569667200 + 569667201.

It is an arithmetic number, because the mean of its divisors is an integer number (569667201).

Almost surely, 2^1139334401 is an apocalyptic number.

It is an amenable number.

1139334401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139334401 is an equidigital number, since it uses as much as digits as its factorization.

1139334401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1139334401 is about 33754.0279226050. The cubic root of 1139334401 is about 1044.4405790683.

The spelling of 1139334401 in words is "one billion, one hundred thirty-nine million, three hundred thirty-four thousand, four hundred one".