340949143 has 8 divisors (see below), whose sum is σ = 356958000. Its totient is φ = 325223808.

The previous prime is 340949087. The next prime is 340949149. The reversal of 340949143 is 341949043.

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 340949143 - 2²¹ = 338851991 is a prime.

It is a super-2 number, since 2×340949143² = 232492636224868898, 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 (340949149) 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, 68418 + ... + 73231.

It is an arithmetic number, because the mean of its divisors is an integer number (44619750).

Almost surely, 2^340949143 is an apocalyptic number.

340949143 is a deficient number, since it is larger than the sum of its proper divisors (16008857).

340949143 is a wasteful number, since it uses less digits than its factorization.

340949143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141761.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 340949143 is about 18464.8082307941. The cubic root of 340949143 is about 698.6020693132.

The spelling of 340949143 in words is "three hundred forty million, nine hundred forty-nine thousand, one hundred forty-three".