1139163754 has 4 divisors (see below), whose sum is σ = 1708745634. Its totient is φ = 569581876.

The previous prime is 1139163743. The next prime is 1139163763. The reversal of 1139163754 is 4573619311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 862773129 + 276390625 = 29373^2 + 16625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284790937 + ... + 284790940.

Almost surely, 2^1139163754 is an apocalyptic number.

1139163754 is a deficient number, since it is larger than the sum of its proper divisors (569581880).

1139163754 is an equidigital number, since it uses as much as digits as its factorization.

1139163754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569581879.

The product of its digits is 68040, while the sum is 40.

The square root of 1139163754 is about 33751.5000259248. The cubic root of 1139163754 is about 1044.3884317940.

The spelling of 1139163754 in words is "one billion, one hundred thirty-nine million, one hundred sixty-three thousand, seven hundred fifty-four".