1534421403 has 12 divisors (see below), whose sum is σ = 2216827600. Its totient is φ = 1022744016.

The previous prime is 1534421387. The next prime is 1534421423. The reversal of 1534421403 is 3041244351.

It is a happy number.

It is not a de Polignac number, because 1534421403 - 2⁴ = 1534421387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534421423) 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 11 ways as a sum of consecutive naturals, for example, 41298 + ... + 69096.

Almost surely, 2^1534421403 is an apocalyptic number.

1534421403 is a deficient number, since it is larger than the sum of its proper divisors (682406197).

1534421403 is a wasteful number, since it uses less digits than its factorization.

1534421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33938 (or 33935 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1534421403 is about 39171.6913471961. The cubic root of 1534421403 is about 1153.4042549877.

Adding to 1534421403 its reverse (3041244351), we get a palindrome (4575665754).

The spelling of 1534421403 in words is "one billion, five hundred thirty-four million, four hundred twenty-one thousand, four hundred three".