1349332906 has 8 divisors (see below), whose sum is σ = 2026309860. Its totient is φ = 673896288.

The previous prime is 1349332903. The next prime is 1349332913. The reversal of 1349332906 is 6092339431.

It can be written as a sum of positive squares in 2 ways, for example, as 1347550681 + 1782225 = 36709^2 + 1335^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1349332903) 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, 382891 + ... + 386398.

Almost surely, 2^1349332906 is an apocalyptic number.

1349332906 is a deficient number, since it is larger than the sum of its proper divisors (676976954).

1349332906 is an equidigital number, since it uses as much as digits as its factorization.

1349332906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770168.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 1349332906 is about 36733.2670205088. The cubic root of 1349332906 is about 1105.0273755016.

The spelling of 1349332906 in words is "one billion, three hundred forty-nine million, three hundred thirty-two thousand, nine hundred six".