140398272 has 280 divisors, whose sum is σ = 491252256. Its totient is φ = 38817792.

The previous prime is 140398243. The next prime is 140398273. The reversal of 140398272 is 272893041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (140398273) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1923228 + ... + 1923300.

Almost surely, 2^140398272 is an apocalyptic number.

140398272 is a gapful number since it is divisible by the number (12) 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 140398272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245626128).

140398272 is an abundant number, since it is smaller than the sum of its proper divisors (350853984).

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

140398272 is an equidigital number, since it uses as much as digits as its factorization.

140398272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140398272 is about 11848.9776774201. The cubic root of 140398272 is about 519.7413309149.

The spelling of 140398272 in words is "one hundred forty million, three hundred ninety-eight thousand, two hundred seventy-two".