1405153213 has 4 divisors (see below), whose sum is σ = 1450480768. Its totient is φ = 1359825660.

The previous prime is 1405153201. The next prime is 1405153247. The reversal of 1405153213 is 3123515041.

It is a happy number.

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: 3123515041 = 359 ⋅8700599.

It is a cyclic number.

It is not a de Polignac number, because 1405153213 - 2⁹ = 1405152701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405154213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22663731 + ... + 22663792.

It is an arithmetic number, because the mean of its divisors is an integer number (362620192).

Almost surely, 2^1405153213 is an apocalyptic number.

It is an amenable number.

1405153213 is a deficient number, since it is larger than the sum of its proper divisors (45327555).

1405153213 is an equidigital number, since it uses as much as digits as its factorization.

1405153213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45327554.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1405153213 is about 37485.3733208034. The cubic root of 1405153213 is about 1120.0598429440.

Adding to 1405153213 its reverse (3123515041), we get a palindrome (4528668254).

The spelling of 1405153213 in words is "one billion, four hundred five million, one hundred fifty-three thousand, two hundred thirteen".