213737542 has 8 divisors (see below), whose sum is σ = 322218000. Its totient is φ = 106331544.

The previous prime is 213737539. The next prime is 213737543. The reversal of 213737542 is 245737312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213737498 and 213737507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213737543) 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 in 3 ways as a sum of consecutive naturals, for example, 268117 + ... + 268912.

It is an arithmetic number, because the mean of its divisors is an integer number (40277250).

Almost surely, 2^213737542 is an apocalyptic number.

213737542 is a deficient number, since it is larger than the sum of its proper divisors (108480458).

213737542 is a wasteful number, since it uses less digits than its factorization.

213737542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537230.

The product of its digits is 35280, while the sum is 34.

The square root of 213737542 is about 14619.7654563950. The cubic root of 213737542 is about 597.8977744970.

The spelling of 213737542 in words is "two hundred thirteen million, seven hundred thirty-seven thousand, five hundred forty-two".