1139142006 has 12 divisors (see below), whose sum is σ = 2468141052. Its totient is φ = 379713996.

The previous prime is 1139141987. The next prime is 1139142019. The reversal of 1139142006 is 6002419311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31642816 + ... + 31642851.

It is an arithmetic number, because the mean of its divisors is an integer number (205678421).

Almost surely, 2^1139142006 is an apocalyptic number.

1139142006 is an abundant number, since it is smaller than the sum of its proper divisors (1328999046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139142006 is a wasteful number, since it uses less digits than its factorization.

1139142006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63285675 (or 63285672 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1139142006 is about 33751.1778461138. The cubic root of 1139142006 is about 1044.3817855432.

The spelling of 1139142006 in words is "one billion, one hundred thirty-nine million, one hundred forty-two thousand, six".