1139629145 has 12 divisors (see below), whose sum is σ = 1390693356. Its totient is φ = 896293440.

The previous prime is 1139629121. The next prime is 1139629181. The reversal of 1139629145 is 5419269311.

It can be written as a sum of positive squares in 6 ways, for example, as 39778249 + 1099850896 = 6307^2 + 33164^2 .

It is not a de Polignac number, because 1139629145 - 2¹⁶ = 1139563609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588599 + ... + 590531.

It is an arithmetic number, because the mean of its divisors is an integer number (115891113).

Almost surely, 2^1139629145 is an apocalyptic number.

It is an amenable number.

1139629145 is a deficient number, since it is larger than the sum of its proper divisors (251064211).

1139629145 is an frugal number, since it uses more digits than its factorization.

1139629145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932 (or 1999 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 1139629145 is about 33758.3936969756. The cubic root of 1139629145 is about 1044.5306363425.

The spelling of 1139629145 in words is "one billion, one hundred thirty-nine million, six hundred twenty-nine thousand, one hundred forty-five".