1091379374 has 8 divisors (see below), whose sum is σ = 1637218200. Its totient is φ = 545639976.

The previous prime is 1091379353. The next prime is 1091379389. The reversal of 1091379374 is 4739731901.

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

It is a super-2 number, since 2×1091379374² = 2382217875985263752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16052 + ... + 49400.

It is an arithmetic number, because the mean of its divisors is an integer number (204652275).

Almost surely, 2^1091379374 is an apocalyptic number.

1091379374 is a deficient number, since it is larger than the sum of its proper divisors (545838826).

1091379374 is a wasteful number, since it uses less digits than its factorization.

1091379374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49714.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 1091379374 is about 33036.0314505238. The cubic root of 1091379374 is about 1029.5764035646.

The spelling of 1091379374 in words is "one billion, ninety-one million, three hundred seventy-nine thousand, three hundred seventy-four".