15430134120 has 64 divisors (see below), whose sum is σ = 46298701440. Its totient is φ = 4113964800.

The previous prime is 15430134079. The next prime is 15430134199. The reversal of 15430134120 is 2143103451.

It is a happy number.

It is a super-2 number, since 2×15430134120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128525 + ... + 1142115.

It is an arithmetic number, because the mean of its divisors is an integer number (723417210).

Almost surely, 2^15430134120 is an apocalyptic number.

15430134120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15430134120 is an abundant number, since it is smaller than the sum of its proper divisors (30868567320).

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

15430134120 is a wasteful number, since it uses less digits than its factorization.

15430134120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23066 (or 23062 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 15430134120 its reverse (2143103451), we get a palindrome (17573237571).

The spelling of 15430134120 in words is "fifteen billion, four hundred thirty million, one hundred thirty-four thousand, one hundred twenty".