15342134340 has 96 divisors (see below), whose sum is σ = 46536577920. Its totient is φ = 3776492928.

The previous prime is 15342134333. The next prime is 15342134341. The reversal of 15342134340 is 4343124351.

It is a super-2 number, since 2×15342134340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15342134298 and 15342134307.

It is not an unprimeable number, because it can be changed into a prime (15342134341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73627 + ... + 190013.

It is an arithmetic number, because the mean of its divisors is an integer number (484756020).

Almost surely, 2^15342134340 is an apocalyptic number.

15342134340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15342134340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23268288960).

15342134340 is an abundant number, since it is smaller than the sum of its proper divisors (31194443580).

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

15342134340 is a wasteful number, since it uses less digits than its factorization.

15342134340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116438 (or 116410 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 15342134340 its reverse (4343124351), we get a palindrome (19685258691).

The spelling of 15342134340 in words is "fifteen billion, three hundred forty-two million, one hundred thirty-four thousand, three hundred forty".