1394811490 has 16 divisors (see below), whose sum is σ = 2511150840. Its totient is φ = 557815680.

The previous prime is 1394811487. The next prime is 1394811503. The reversal of 1394811490 is 941184931.

It can be written as a sum of positive squares in 4 ways, for example, as 1392558489 + 2253001 = 37317^2 + 1501^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58216 + ... + 78604.

Almost surely, 2^1394811490 is an apocalyptic number.

1394811490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1394811490 is a deficient number, since it is larger than the sum of its proper divisors (1116339350).

1394811490 is a wasteful number, since it uses less digits than its factorization.

1394811490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27237.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1394811490 is about 37347.1751274444. The cubic root of 1394811490 is about 1117.3052482729.

The spelling of 1394811490 in words is "one billion, three hundred ninety-four million, eight hundred eleven thousand, four hundred ninety".