1346381490 has 32 divisors (see below), whose sum is σ = 3232737216. Its totient is φ = 358877120.

The previous prime is 1346381479. The next prime is 1346381497. The reversal of 1346381490 is 941836431.

It is a super-2 number, since 2×1346381490² = 3625486233229240200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1346381497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70069 + ... + 87191.

It is an arithmetic number, because the mean of its divisors is an integer number (101023038).

Almost surely, 2^1346381490 is an apocalyptic number.

1346381490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1346381490 is an abundant number, since it is smaller than the sum of its proper divisors (1886355726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1346381490 is a wasteful number, since it uses less digits than its factorization.

1346381490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19754.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1346381490 is about 36693.0714168220. The cubic root of 1346381490 is about 1104.2211064049.

The spelling of 1346381490 in words is "one billion, three hundred forty-six million, three hundred eighty-one thousand, four hundred ninety".