1406255349 has 4 divisors (see below), whose sum is σ = 1875007136. Its totient is φ = 937503564.

The previous prime is 1406255339. The next prime is 1406255381. The reversal of 1406255349 is 9435526041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9435526041 = 3 ⋅3145175347.

It is not a de Polignac number, because 1406255349 - 2¹⁷ = 1406124277 is a prime.

It is a super-2 number, since 2×1406255349² = 3955108213182223602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406255329) 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, 234375889 + ... + 234375894.

It is an arithmetic number, because the mean of its divisors is an integer number (468751784).

Almost surely, 2^1406255349 is an apocalyptic number.

It is an amenable number.

1406255349 is a deficient number, since it is larger than the sum of its proper divisors (468751787).

1406255349 is an equidigital number, since it uses as much as digits as its factorization.

1406255349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468751786.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 1406255349 is about 37500.0713199322. The cubic root of 1406255349 is about 1120.3526071432.

The spelling of 1406255349 in words is "one billion, four hundred six million, two hundred fifty-five thousand, three hundred forty-nine".