140100343 has 4 divisors (see below), whose sum is σ = 141409800. Its totient is φ = 138790888.

The previous prime is 140100307. The next prime is 140100391. The reversal of 140100343 is 343001041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140100343 - 2²¹ = 138003191 is a prime.

It is a super-2 number, since 2×140100343² = 39256212217435298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140100143) 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, 654568 + ... + 654781.

It is an arithmetic number, because the mean of its divisors is an integer number (35352450).

Almost surely, 2^140100343 is an apocalyptic number.

140100343 is a deficient number, since it is larger than the sum of its proper divisors (1309457).

140100343 is a wasteful number, since it uses less digits than its factorization.

140100343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309456.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140100343 is about 11836.3990723530. The cubic root of 140100343 is about 519.3734354244.

Adding to 140100343 its reverse (343001041), we get a palindrome (483101384).

The spelling of 140100343 in words is "one hundred forty million, one hundred thousand, three hundred forty-three".