1490865190 has 8 divisors (see below), whose sum is σ = 2683557360. Its totient is φ = 596346072.

The previous prime is 1490865151. The next prime is 1490865197. The reversal of 1490865190 is 915680941.

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

It is a super-2 number, since 2×1490865190² = 4445358029507472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490865197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74543250 + ... + 74543269.

It is an arithmetic number, because the mean of its divisors is an integer number (335444670).

Almost surely, 2^1490865190 is an apocalyptic number.

1490865190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490865190 is a deficient number, since it is larger than the sum of its proper divisors (1192692170).

1490865190 is a wasteful number, since it uses less digits than its factorization.

1490865190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149086526.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1490865190 is about 38611.7234787571. The cubic root of 1490865190 is about 1142.3857878925.

The spelling of 1490865190 in words is "one billion, four hundred ninety million, eight hundred sixty-five thousand, one hundred ninety".