1139955106 has 8 divisors (see below), whose sum is σ = 1710369360. Its totient is φ = 569831988.

The previous prime is 1139955101. The next prime is 1139955119. The reversal of 1139955106 is 6015599311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1139955101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62716 + ... + 78823.

It is an arithmetic number, because the mean of its divisors is an integer number (213796170).

Almost surely, 2^1139955106 is an apocalyptic number.

1139955106 is a deficient number, since it is larger than the sum of its proper divisors (570414254).

1139955106 is a wasteful number, since it uses less digits than its factorization.

1139955106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145568.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 1139955106 is about 33763.2212029599. The cubic root of 1139955106 is about 1044.6302137053.

The spelling of 1139955106 in words is "one billion, one hundred thirty-nine million, nine hundred fifty-five thousand, one hundred six".