1349155659 has 16 divisors (see below), whose sum is σ = 1848857472. Its totient is φ = 874630848.

The previous prime is 1349155657. The next prime is 1349155663. The reversal of 1349155659 is 9565519431.

It is not a de Polignac number, because 1349155659 - 2¹ = 1349155657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1349155657) 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, 6247 + ... + 52319.

It is an arithmetic number, because the mean of its divisors is an integer number (115553592).

Almost surely, 2^1349155659 is an apocalyptic number.

1349155659 is a deficient number, since it is larger than the sum of its proper divisors (499701813).

1349155659 is a wasteful number, since it uses less digits than its factorization.

1349155659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46346.

The product of its digits is 729000, while the sum is 48.

The square root of 1349155659 is about 36730.8543189510. The cubic root of 1349155659 is about 1104.9789882917.

The spelling of 1349155659 in words is "one billion, three hundred forty-nine million, one hundred fifty-five thousand, six hundred fifty-nine".