1161739434 has 8 divisors (see below), whose sum is σ = 2323478880. Its totient is φ = 387246476.

The previous prime is 1161739429. The next prime is 1161739483. The reversal of 1161739434 is 4349371611.

It is a happy number.

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

1161739434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1161739392 and 1161739401.

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 3 ways as a sum of consecutive naturals, for example, 96811614 + ... + 96811625.

It is an arithmetic number, because the mean of its divisors is an integer number (290434860).

Almost surely, 2^1161739434 is an apocalyptic number.

1161739434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1161739434 is a wasteful number, since it uses less digits than its factorization.

1161739434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193623244.

The product of its digits is 54432, while the sum is 39.

The square root of 1161739434 is about 34084.2989366072. The cubic root of 1161739434 is about 1051.2425001032.

The spelling of 1161739434 in words is "one billion, one hundred sixty-one million, seven hundred thirty-nine thousand, four hundred thirty-four".