215134996 has 6 divisors (see below), whose sum is σ = 376486250. Its totient is φ = 107567496.

The previous prime is 215134987. The next prime is 215134999. The reversal of 215134996 is 699431512.

It can be written as a sum of positive squares in only one way, i.e., 200618896 + 14516100 = 14164^2 + 3810^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215134999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26891871 + ... + 26891878.

Almost surely, 2^215134996 is an apocalyptic number.

It is an amenable number.

215134996 is a deficient number, since it is larger than the sum of its proper divisors (161351254).

215134996 is a wasteful number, since it uses less digits than its factorization.

215134996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53783753 (or 53783751 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 215134996 is about 14667.4809016409. The cubic root of 215134996 is about 599.1979988382.

The spelling of 215134996 in words is "two hundred fifteen million, one hundred thirty-four thousand, nine hundred ninety-six".