215214126742 has 8 divisors (see below), whose sum is σ = 322972684632. Its totient is φ = 107556565200.

The previous prime is 215214126739. The next prime is 215214126749. The reversal of 215214126742 is 247621412512.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215214126749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25243759 + ... + 25252282.

It is an arithmetic number, because the mean of its divisors is an integer number (40371585579).

Almost surely, 2^215214126742 is an apocalyptic number.

215214126742 is a deficient number, since it is larger than the sum of its proper divisors (107758557890).

215214126742 is a wasteful number, since it uses less digits than its factorization.

215214126742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50498174.

The product of its digits is 53760, while the sum is 37.

The spelling of 215214126742 in words is "two hundred fifteen billion, two hundred fourteen million, one hundred twenty-six thousand, seven hundred forty-two".