340143294 has 32 divisors (see below), whose sum is σ = 711879840. Its totient is φ = 108231552.

The previous prime is 340143247. The next prime is 340143299. The reversal of 340143294 is 492341043.

340143294 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×340143294³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340143299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2689 + ... + 26220.

It is an arithmetic number, because the mean of its divisors is an integer number (22246245).

Almost surely, 2^340143294 is an apocalyptic number.

340143294 is an abundant number, since it is smaller than the sum of its proper divisors (371736546).

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

340143294 is a wasteful number, since it uses less digits than its factorization.

340143294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29004.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 340143294 is about 18442.9741094000. The cubic root of 340143294 is about 698.0512423964.

The spelling of 340143294 in words is "three hundred forty million, one hundred forty-three thousand, two hundred ninety-four".