140234416 has 40 divisors (see below), whose sum is σ = 312995840. Its totient is φ = 59621184.

The previous prime is 140234389. The next prime is 140234431. The reversal of 140234416 is 614432041.

140234416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140234416² = 39331382861722112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9295 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (7824896).

Almost surely, 2^140234416 is an apocalyptic number.

140234416 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 140234416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156497920).

140234416 is an abundant number, since it is smaller than the sum of its proper divisors (172761424).

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

140234416 is a wasteful number, since it uses less digits than its factorization.

140234416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001 (or 9995 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 140234416 is about 11842.0613070529. The cubic root of 140234416 is about 519.5390589867.

Adding to 140234416 its reverse (614432041), we get a palindrome (754666457).

The spelling of 140234416 in words is "one hundred forty million, two hundred thirty-four thousand, four hundred sixteen".