213725142 has 40 divisors (see below), whose sum is σ = 480170592. Its totient is φ = 71053200.

The previous prime is 213725119. The next prime is 213725143. The reversal of 213725142 is 241527312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213725143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68292 + ... + 71352.

Almost surely, 2^213725142 is an apocalyptic number.

213725142 is an abundant number, since it is smaller than the sum of its proper divisors (266445450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213725142 is a wasteful number, since it uses less digits than its factorization.

213725142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3497 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 213725142 is about 14619.3413668332. The cubic root of 213725142 is about 597.8862119115.

The spelling of 213725142 in words is "two hundred thirteen million, seven hundred twenty-five thousand, one hundred forty-two".