140843416 has 32 divisors (see below), whose sum is σ = 311546880. Its totient is φ = 58413600.

The previous prime is 140843413. The next prime is 140843429. The reversal of 140843416 is 614348041.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140843411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38830 + ... + 42301.

It is an arithmetic number, because the mean of its divisors is an integer number (9735840).

Almost surely, 2^140843416 is an apocalyptic number.

It is an amenable number.

140843416 is an abundant number, since it is smaller than the sum of its proper divisors (170703464).

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

140843416 is a wasteful number, since it uses less digits than its factorization.

140843416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81175 (or 81171 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 140843416 is about 11867.7468796735. The cubic root of 140843416 is about 520.2900452892.

The spelling of 140843416 in words is "one hundred forty million, eight hundred forty-three thousand, four hundred sixteen".