1139040090 has 32 divisors (see below), whose sum is σ = 3037440960. Its totient is φ = 303743952.

The previous prime is 1139040083. The next prime is 1139040107. The reversal of 1139040090 is 900409311.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 2109064 + ... + 2109603.

It is an arithmetic number, because the mean of its divisors is an integer number (94920030).

Almost surely, 2^1139040090 is an apocalyptic number.

1139040090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139040090 is an abundant number, since it is smaller than the sum of its proper divisors (1898400870).

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

1139040090 is a wasteful number, since it uses less digits than its factorization.

1139040090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218683 (or 4218677 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1139040090 is about 33749.6679983670. The cubic root of 1139040090 is about 1044.3506385958.

The spelling of 1139040090 in words is "one billion, one hundred thirty-nine million, forty thousand, ninety".