215014132 has 6 divisors (see below), whose sum is σ = 376274738. Its totient is φ = 107507064.

The previous prime is 215014123. The next prime is 215014133. The reversal of 215014132 is 231410512.

It can be written as a sum of positive squares in only one way, i.e., 153611236 + 61402896 = 12394^2 + 7836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215014133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26876763 + ... + 26876770.

Almost surely, 2^215014132 is an apocalyptic number.

It is an amenable number.

215014132 is a deficient number, since it is larger than the sum of its proper divisors (161260606).

215014132 is a wasteful number, since it uses less digits than its factorization.

215014132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53753537 (or 53753535 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 215014132 is about 14663.3601878969. The cubic root of 215014132 is about 599.0857669299.

Adding to 215014132 its reverse (231410512), we get a palindrome (446424644).

The spelling of 215014132 in words is "two hundred fifteen million, fourteen thousand, one hundred thirty-two".