213612157514 has 24 divisors (see below), whose sum is σ = 385584230340. Its totient is φ = 88391236416.

The previous prime is 213612157511. The next prime is 213612157531. The reversal of 213612157514 is 415751216312.

213612157514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189177153025 + 24435004489 = 434945^2 + 156317^2 .

It is not an unprimeable number, because it can be changed into a prime (213612157511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37578467 + ... + 37584150.

Almost surely, 2^213612157514 is an apocalyptic number.

213612157514 is a deficient number, since it is larger than the sum of its proper divisors (171972072826).

213612157514 is a wasteful number, since it uses less digits than its factorization.

213612157514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75162662 (or 75162655 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The spelling of 213612157514 in words is "two hundred thirteen billion, six hundred twelve million, one hundred fifty-seven thousand, five hundred fourteen".