140678916 has 48 divisors (see below), whose sum is σ = 378126336. Its totient is φ = 39874464.

The previous prime is 140678911. The next prime is 140678917. The reversal of 140678916 is 619876041.

It is a hoax number, since the sum of its digits (42) 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 (42).

It is not an unprimeable number, because it can be changed into a prime (140678911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4075 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (7877632).

Almost surely, 2^140678916 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 140678916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189063168).

140678916 is an abundant number, since it is smaller than the sum of its proper divisors (237447420).

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

140678916 is a wasteful number, since it uses less digits than its factorization.

140678916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328 (or 13326 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 140678916 is about 11860.8143059404. The cubic root of 140678916 is about 520.0874064116.

The spelling of 140678916 in words is "one hundred forty million, six hundred seventy-eight thousand, nine hundred sixteen".