140894216 has 8 divisors (see below), whose sum is σ = 264176670. Its totient is φ = 70447104.

The previous prime is 140894213. The next prime is 140894227. The reversal of 140894216 is 612498041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 37871716 = 10150^2 + 6154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (140894213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8805881 + ... + 8805896.

Almost surely, 2^140894216 is an apocalyptic number.

It is an amenable number.

140894216 is a deficient number, since it is larger than the sum of its proper divisors (123282454).

140894216 is a wasteful number, since it uses less digits than its factorization.

140894216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17611783 (or 17611779 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 140894216 is about 11869.8869413318. The cubic root of 140894216 is about 520.3525912427.

The spelling of 140894216 in words is "one hundred forty million, eight hundred ninety-four thousand, two hundred sixteen".