1146139790 has 32 divisors (see below), whose sum is σ = 2096569440. Its totient is φ = 451067904.

The previous prime is 1146139783. The next prime is 1146139823. The reversal of 1146139790 is 979316411.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153422 + ... + 160718.

It is an arithmetic number, because the mean of its divisors is an integer number (65517795).

Almost surely, 2^1146139790 is an apocalyptic number.

1146139790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1146139790 is a deficient number, since it is larger than the sum of its proper divisors (950429650).

1146139790 is a wasteful number, since it uses less digits than its factorization.

1146139790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1146139790 is about 33854.6863816518. The cubic root of 1146139790 is about 1046.5159777158.

The spelling of 1146139790 in words is "one billion, one hundred forty-six million, one hundred thirty-nine thousand, seven hundred ninety".