1154379914 has 4 divisors (see below), whose sum is σ = 1731569874. Its totient is φ = 577189956.

The previous prime is 1154379907. The next prime is 1154379931. The reversal of 1154379914 is 4199734511.

It is a happy number.

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., 991179289 + 163200625 = 31483^2 + 12775^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288594977 + ... + 288594980.

Almost surely, 2^1154379914 is an apocalyptic number.

1154379914 is a deficient number, since it is larger than the sum of its proper divisors (577189960).

1154379914 is an equidigital number, since it uses as much as digits as its factorization.

1154379914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577189959.

The product of its digits is 136080, while the sum is 44.

The square root of 1154379914 is about 33976.1668526631. The cubic root of 1154379914 is about 1049.0179522392.

The spelling of 1154379914 in words is "one billion, one hundred fifty-four million, three hundred seventy-nine thousand, nine hundred fourteen".