1814091074 has 4 divisors (see below), whose sum is σ = 2721136614. Its totient is φ = 907045536.

The previous prime is 1814091067. The next prime is 1814091133. The reversal of 1814091074 is 4701904181.

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., 1768623025 + 45468049 = 42055^2 + 6743^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453522767 + ... + 453522770.

Almost surely, 2^1814091074 is an apocalyptic number.

1814091074 is a deficient number, since it is larger than the sum of its proper divisors (907045540).

1814091074 is an equidigital number, since it uses as much as digits as its factorization.

1814091074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907045539.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1814091074 is about 42592.1480322371. The cubic root of 1814091074 is about 1219.6064021895.

The spelling of 1814091074 in words is "one billion, eight hundred fourteen million, ninety-one thousand, seventy-four".