15420043132 has 12 divisors (see below), whose sum is σ = 29060850616. Its totient is φ = 7116942960.

The previous prime is 15420043109. The next prime is 15420043147. The reversal of 15420043132 is 23134002451.

It is a junction number, because it is equal to n+sod(n) for n = 15420043097 and 15420043106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148269594 + ... + 148269697.

Almost surely, 2^15420043132 is an apocalyptic number.

It is an amenable number.

15420043132 is a deficient number, since it is larger than the sum of its proper divisors (13640807484).

15420043132 is a wasteful number, since it uses less digits than its factorization.

15420043132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296539308 (or 296539306 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 15420043132 its reverse (23134002451), we get a palindrome (38554045583).

The spelling of 15420043132 in words is "fifteen billion, four hundred twenty million, forty-three thousand, one hundred thirty-two".