213454142 has 16 divisors (see below), whose sum is σ = 369835632. Its totient is φ = 91317120.

The previous prime is 213454139. The next prime is 213454183. The reversal of 213454142 is 241454312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284993 + ... + 285740.

It is an arithmetic number, because the mean of its divisors is an integer number (23114727).

Almost surely, 2^213454142 is an apocalyptic number.

213454142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213454142 is a deficient number, since it is larger than the sum of its proper divisors (156381490).

213454142 is a wasteful number, since it uses less digits than its factorization.

213454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570763.

The product of its digits is 3840, while the sum is 26.

The square root of 213454142 is about 14610.0698834742. The cubic root of 213454142 is about 597.6334017012.

The spelling of 213454142 in words is "two hundred thirteen million, four hundred fifty-four thousand, one hundred forty-two".