1492019138 has 8 divisors (see below), whose sum is σ = 2239384332. Its totient is φ = 745557696.

The previous prime is 1492019101. The next prime is 1492019143. The reversal of 1492019138 is 8319102941.

It can be written as a sum of positive squares in 2 ways, for example, as 1480479529 + 11539609 = 38477^2 + 3397^2 .

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

It is a super-2 number, since 2×1492019138² = 4452242216316526088, which contains 22 as substring.

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, 221795 + ... + 228422.

Almost surely, 2^1492019138 is an apocalyptic number.

1492019138 is a deficient number, since it is larger than the sum of its proper divisors (747365194).

1492019138 is a wasteful number, since it uses less digits than its factorization.

1492019138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451876.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1492019138 is about 38626.6635628810. The cubic root of 1492019138 is about 1142.6804520994.

The spelling of 1492019138 in words is "one billion, four hundred ninety-two million, nineteen thousand, one hundred thirty-eight".