1421513343 has 12 divisors (see below), whose sum is σ = 2053746760. Its totient is φ = 947468016.

The previous prime is 1421513341. The next prime is 1421513347. The reversal of 1421513343 is 3433151241.

It is a happy number.

1421513343 is a `hidden beast` number, since 142 + 1 + 513 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 1421513343 - 2¹ = 1421513341 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 (1421513341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34128 + ... + 63306.

Almost surely, 2^1421513343 is an apocalyptic number.

1421513343 is a deficient number, since it is larger than the sum of its proper divisors (632233417).

1421513343 is a wasteful number, since it uses less digits than its factorization.

1421513343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34598 (or 34595 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1421513343 is about 37702.9619923952. The cubic root of 1421513343 is about 1124.3900148018.

Adding to 1421513343 its reverse (3433151241), we get a palindrome (4854664584).

The spelling of 1421513343 in words is "one billion, four hundred twenty-one million, five hundred thirteen thousand, three hundred forty-three".