1349190001 has 4 divisors (see below), whose sum is σ = 1349302500. Its totient is φ = 1349077504.

The previous prime is 1349189987. The next prime is 1349190041. The reversal of 1349190001 is 1000919431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1000919431 = 157 ⋅6375283.

It can be written as a sum of positive squares in 2 ways, for example, as 284799376 + 1064390625 = 16876^2 + 32625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349190001 - 2⁵ = 1349189969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349190041) 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, 35776 + ... + 63073.

It is an arithmetic number, because the mean of its divisors is an integer number (337325625).

Almost surely, 2^1349190001 is an apocalyptic number.

It is an amenable number.

1349190001 is a deficient number, since it is larger than the sum of its proper divisors (112499).

1349190001 is an equidigital number, since it uses as much as digits as its factorization.

1349190001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112498.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1349190001 is about 36731.3217976157. The cubic root of 1349190001 is about 1104.9883637521.

The spelling of 1349190001 in words is "one billion, three hundred forty-nine million, one hundred ninety thousand, one".