140139072 has 84 divisors (see below), whose sum is σ = 416606736. Its totient is φ = 46707840.

The previous prime is 140139071. The next prime is 140139089. The reversal of 140139072 is 270931041.

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

It is not an unprimeable number, because it can be changed into a prime (140139071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11047 + ... + 20057.

It is an arithmetic number, because the mean of its divisors is an integer number (4959604).

Almost surely, 2^140139072 is an apocalyptic number.

140139072 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 140139072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208303368).

140139072 is an abundant number, since it is smaller than the sum of its proper divisors (276467664).

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

140139072 is an frugal number, since it uses more digits than its factorization.

140139072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038 (or 9016 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 140139072 is about 11838.0349720720. The cubic root of 140139072 is about 519.4212891273.

The spelling of 140139072 in words is "one hundred forty million, one hundred thirty-nine thousand, seventy-two".