1139373773 has 2 divisors, whose sum is σ = 1139373774. Its totient is φ = 1139373772.

The previous prime is 1139373733. The next prime is 1139373811. The reversal of 1139373773 is 3773739311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878648164 + 260725609 = 29642^2 + 16147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139373773 - 2¹² = 1139369677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139373713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569686886 + 569686887.

It is an arithmetic number, because the mean of its divisors is an integer number (569686887).

Almost surely, 2^1139373773 is an apocalyptic number.

It is an amenable number.

1139373773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139373773 is an equidigital number, since it uses as much as digits as its factorization.

1139373773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250047, while the sum is 44.

The square root of 1139373773 is about 33754.6111368506. The cubic root of 1139373773 is about 1044.4526098472.

The spelling of 1139373773 in words is "one billion, one hundred thirty-nine million, three hundred seventy-three thousand, seven hundred seventy-three".