215042015134 has 16 divisors (see below), whose sum is σ = 342031620816. Its totient is φ = 101049782400.

The previous prime is 215042015099. The next prime is 215042015137. The reversal of 215042015134 is 431510240512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215042015137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553037 + ... + 4600024.

It is an arithmetic number, because the mean of its divisors is an integer number (21376976301).

Almost surely, 2^215042015134 is an apocalyptic number.

215042015134 is a deficient number, since it is larger than the sum of its proper divisors (126989605682).

215042015134 is a wasteful number, since it uses less digits than its factorization.

215042015134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153771.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 215042015134 its reverse (431510240512), we get a palindrome (646552255646).

The spelling of 215042015134 in words is "two hundred fifteen billion, forty-two million, fifteen thousand, one hundred thirty-four".