140702216 has 8 divisors (see below), whose sum is σ = 263816670. Its totient is φ = 70351104.

The previous prime is 140702213. The next prime is 140702249. The reversal of 140702216 is 612207041.

It can be written as a sum of positive squares in only one way, i.e., 140517316 + 184900 = 11854^2 + 430^2 .

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

It is a super-2 number, since 2×140702216² = 39594227174621312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140702191 and 140702200.

It is not an unprimeable number, because it can be changed into a prime (140702213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8793881 + ... + 8793896.

Almost surely, 2^140702216 is an apocalyptic number.

It is an amenable number.

140702216 is a deficient number, since it is larger than the sum of its proper divisors (123114454).

140702216 is a wasteful number, since it uses less digits than its factorization.

140702216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17587783 (or 17587779 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140702216 is about 11861.7964912571. The cubic root of 140702216 is about 520.1161180527.

Adding to 140702216 its reverse (612207041), we get a palindrome (752909257).

The spelling of 140702216 in words is "one hundred forty million, seven hundred two thousand, two hundred sixteen".