190140343 has 8 divisors (see below), whose sum is σ = 194299776. Its totient is φ = 186022200.

The previous prime is 190140337. The next prime is 190140383. The reversal of 190140343 is 343041091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 190140343 - 2²⁵ = 156585911 is a prime.

It is a super-3 number, since 3×190140343³ (a number of 26 digits) contains 333 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 (190140383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921 + ... + 19522.

It is an arithmetic number, because the mean of its divisors is an integer number (24287472).

Almost surely, 2^190140343 is an apocalyptic number.

190140343 is a deficient number, since it is larger than the sum of its proper divisors (4159433).

190140343 is a wasteful number, since it uses less digits than its factorization.

190140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 190140343 is about 13789.1385880337. The cubic root of 190140343 is about 575.0312199810.

The spelling of 190140343 in words is "one hundred ninety million, one hundred forty thousand, three hundred forty-three".