140271940 has 48 divisors (see below), whose sum is σ = 312480000. Its totient is φ = 52778880.

The previous prime is 140271919. The next prime is 140271941. The reversal of 140271940 is 49172041.

It is a junction number, because it is equal to n+sod(n) for n = 140271899 and 140271908.

It is not an unprimeable number, because it can be changed into a prime (140271941) 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, 25561 + ... + 30559.

It is an arithmetic number, because the mean of its divisors is an integer number (6510000).

Almost surely, 2^140271940 is an apocalyptic number.

140271940 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 140271940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156240000).

140271940 is an abundant number, since it is smaller than the sum of its proper divisors (172208060).

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

140271940 is a wasteful number, since it uses less digits than its factorization.

140271940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 140271940 is about 11843.6455536292. The cubic root of 140271940 is about 519.5853943672.

The spelling of 140271940 in words is "one hundred forty million, two hundred seventy-one thousand, nine hundred forty".