234202140 has 36 divisors (see below), whose sum is σ = 710413704. Its totient is φ = 62453856.

The previous prime is 234202109. The next prime is 234202141. The reversal of 234202140 is 41202432.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234202141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650382 + ... + 650741.

It is an arithmetic number, because the mean of its divisors is an integer number (19733714).

Almost surely, 2^234202140 is an apocalyptic number.

234202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234202140 is an abundant number, since it is smaller than the sum of its proper divisors (476211564).

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

234202140 is a wasteful number, since it uses less digits than its factorization.

234202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301138 (or 1301133 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 234202140 is about 15303.6642670963. The cubic root of 234202140 is about 616.4014046206.

Adding to 234202140 its reverse (41202432), we get a palindrome (275404572).

The spelling of 234202140 in words is "two hundred thirty-four million, two hundred two thousand, one hundred forty".