1421513345 has 8 divisors (see below), whose sum is σ = 1949504064. Its totient is φ = 974751984.

The previous prime is 1421513341. The next prime is 1421513347. The reversal of 1421513345 is 5433151241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421513345 - 2² = 1421513341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1421513341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20307299 + ... + 20307368.

It is an arithmetic number, because the mean of its divisors is an integer number (243688008).

Almost surely, 2^1421513345 is an apocalyptic number.

It is an amenable number.

1421513345 is a deficient number, since it is larger than the sum of its proper divisors (527990719).

1421513345 is an equidigital number, since it uses as much as digits as its factorization.

1421513345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40614679.

The product of its digits is 7200, while the sum is 29.

The square root of 1421513345 is about 37702.9620189184. The cubic root of 1421513345 is about 1124.3900153291.

Adding to 1421513345 its reverse (5433151241), we get a palindrome (6854664586).

The spelling of 1421513345 in words is "one billion, four hundred twenty-one million, five hundred thirteen thousand, three hundred forty-five".