1189531414 has 8 divisors (see below), whose sum is σ = 1785030120. Its totient is φ = 594521376.

The previous prime is 1189531393. The next prime is 1189531471. The reversal of 1189531414 is 4141359811.

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

It is a congruent number.

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, 116019 + ... + 125854.

It is an arithmetic number, because the mean of its divisors is an integer number (223128765).

Almost surely, 2^1189531414 is an apocalyptic number.

1189531414 is a deficient number, since it is larger than the sum of its proper divisors (595498706).

1189531414 is a wasteful number, since it uses less digits than its factorization.

1189531414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244334.

The product of its digits is 17280, while the sum is 37.

The square root of 1189531414 is about 34489.5841378234. The cubic root of 1189531414 is about 1059.5593914600.

The spelling of 1189531414 in words is "one billion, one hundred eighty-nine million, five hundred thirty-one thousand, four hundred fourteen".