140673040 has 80 divisors (see below), whose sum is σ = 340978176. Its totient is φ = 53913600.

The previous prime is 140673023. The next prime is 140673041. The reversal of 140673040 is 40376041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 140672996 and 140673014.

It is not an unprimeable number, because it can be changed into a prime (140673041) 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, 324664 + ... + 325096.

Almost surely, 2^140673040 is an apocalyptic number.

140673040 is a gapful number since it is divisible by the number (10) 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 140673040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170489088).

140673040 is an abundant number, since it is smaller than the sum of its proper divisors (200305136).

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

140673040 is a wasteful number, since it uses less digits than its factorization.

140673040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 140673040 is about 11860.5665969211. The cubic root of 140673040 is about 520.0801651556.

The spelling of 140673040 in words is "one hundred forty million, six hundred seventy-three thousand, forty".