1233753139 has 2 divisors, whose sum is σ = 1233753140. Its totient is φ = 1233753138.

The previous prime is 1233753137. The next prime is 1233753161. The reversal of 1233753139 is 9313573321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1233753139 - 2¹ = 1233753137 is a prime.

Together with 1233753137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1233753098 and 1233753107.

It is not a weakly prime, because it can be changed into another prime (1233753137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616876569 + 616876570.

It is an arithmetic number, because the mean of its divisors is an integer number (616876570).

Almost surely, 2^1233753139 is an apocalyptic number.

1233753139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233753139 is an equidigital number, since it uses as much as digits as its factorization.

1233753139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 37.

The square root of 1233753139 is about 35124.8222628955. The cubic root of 1233753139 is about 1072.5299376744.

The spelling of 1233753139 in words is "one billion, two hundred thirty-three million, seven hundred fifty-three thousand, one hundred thirty-nine".