140281416 has 256 divisors, whose sum is σ = 472780800. Its totient is φ = 38016000.

The previous prime is 140281411. The next prime is 140281469. The reversal of 140281416 is 614182041.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 140281416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140281411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 928941 + ... + 929091.

It is an arithmetic number, because the mean of its divisors is an integer number (1846800).

Almost surely, 2^140281416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140281416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236390400).

140281416 is an abundant number, since it is smaller than the sum of its proper divisors (332499384).

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

140281416 is a wasteful number, since it uses less digits than its factorization.

140281416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 140281416 is about 11844.0455926174. The cubic root of 140281416 is about 519.5970942133.

The spelling of 140281416 in words is "one hundred forty million, two hundred eighty-one thousand, four hundred sixteen".