140031216 has 240 divisors, whose sum is σ = 462192640. Its totient is φ = 39191040.

The previous prime is 140031211. The next prime is 140031233. The reversal of 140031216 is 612130041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140031211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1102545 + ... + 1102671.

Almost surely, 2^140031216 is an apocalyptic number.

140031216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140031216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231096320).

140031216 is an abundant number, since it is smaller than the sum of its proper divisors (322161424).

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

140031216 is a wasteful number, since it uses less digits than its factorization.

140031216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 140031216 is about 11833.4786094369. The cubic root of 140031216 is about 519.2879999114.

Adding to 140031216 its reverse (612130041), we get a palindrome (752161257).

The spelling of 140031216 in words is "one hundred forty million, thirty-one thousand, two hundred sixteen".