1426013149 has 4 divisors (see below), whose sum is σ = 1555650720. Its totient is φ = 1296375580.

The previous prime is 1426013131. The next prime is 1426013153. The reversal of 1426013149 is 9413106241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1426013149 - 2⁷ = 1426013021 is a prime.

It is a super-2 number, since 2×1426013149² = 4067027002241792402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426013149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426013249) 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, 64818769 + ... + 64818790.

It is an arithmetic number, because the mean of its divisors is an integer number (388912680).

Almost surely, 2^1426013149 is an apocalyptic number.

It is an amenable number.

1426013149 is a deficient number, since it is larger than the sum of its proper divisors (129637571).

1426013149 is a wasteful number, since it uses less digits than its factorization.

1426013149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129637570.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1426013149 is about 37762.5892782791. The cubic root of 1426013149 is about 1125.5751854434.

The spelling of 1426013149 in words is "one billion, four hundred twenty-six million, thirteen thousand, one hundred forty-nine".