1421415534 has 128 divisors (see below), whose sum is σ = 3720904704. Its totient is φ = 351216000.

The previous prime is 1421415497. The next prime is 1421415547. The reversal of 1421415534 is 4355141241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 872829 + ... + 874455.

It is an arithmetic number, because the mean of its divisors is an integer number (29069568).

Almost surely, 2^1421415534 is an apocalyptic number.

1421415534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421415534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860452352).

1421415534 is an abundant number, since it is smaller than the sum of its proper divisors (2299489170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421415534 is a wasteful number, since it uses less digits than its factorization.

1421415534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742.

The product of its digits is 9600, while the sum is 30.

The square root of 1421415534 is about 37701.6648704006. The cubic root of 1421415534 is about 1124.3642258574.

Adding to 1421415534 its reverse (4355141241), we get a palindrome (5776556775).

The spelling of 1421415534 in words is "one billion, four hundred twenty-one million, four hundred fifteen thousand, five hundred thirty-four".