15474140134 has 8 divisors (see below), whose sum is σ = 23301526968. Its totient is φ = 7706964480.

The previous prime is 15474140083. The next prime is 15474140137. The reversal of 15474140134 is 43104147451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15474140134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15474140137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15052152 + ... + 15053179.

It is an arithmetic number, because the mean of its divisors is an integer number (2912690871).

Almost surely, 2^15474140134 is an apocalyptic number.

15474140134 is a deficient number, since it is larger than the sum of its proper divisors (7827386834).

15474140134 is a wasteful number, since it uses less digits than its factorization.

15474140134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30105590.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 15474140134 its reverse (43104147451), we get a palindrome (58578287585).

The spelling of 15474140134 in words is "fifteen billion, four hundred seventy-four million, one hundred forty thousand, one hundred thirty-four".