1139077450 has 48 divisors (see below), whose sum is σ = 2429469504. Its totient is φ = 389232000.

The previous prime is 1139077421. The next prime is 1139077463. The reversal of 1139077450 is 547709311.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102150 + ... + 112750.

It is an arithmetic number, because the mean of its divisors is an integer number (50613948).

Almost surely, 2^1139077450 is an apocalyptic number.

1139077450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139077450 is an abundant number, since it is smaller than the sum of its proper divisors (1290392054).

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

1139077450 is a wasteful number, since it uses less digits than its factorization.

1139077450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927 (or 10922 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1139077450 is about 33750.2214807548. The cubic root of 1139077450 is about 1044.3620565472.

The spelling of 1139077450 in words is "one billion, one hundred thirty-nine million, seventy-seven thousand, four hundred fifty".