1349746390 has 16 divisors (see below), whose sum is σ = 2469373200. Its totient is φ = 531047520.

The previous prime is 1349746369. The next prime is 1349746459. The reversal of 1349746390 is 936479431.

It is a self number, because there is not a number n which added to its sum of digits gives 1349746390.

It is a congruent number.

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, 1105740 + ... + 1106959.

It is an arithmetic number, because the mean of its divisors is an integer number (154335825).

Almost surely, 2^1349746390 is an apocalyptic number.

1349746390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1349746390 is a deficient number, since it is larger than the sum of its proper divisors (1119626810).

1349746390 is a wasteful number, since it uses less digits than its factorization.

1349746390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212767.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 1349746390 is about 36738.8947846829. The cubic root of 1349746390 is about 1105.1402373150.

The spelling of 1349746390 in words is "one billion, three hundred forty-nine million, seven hundred forty-six thousand, three hundred ninety".