140734272 has 112 divisors (see below), whose sum is σ = 434441600. Its totient is φ = 40190976.

The previous prime is 140734271. The next prime is 140734277. The reversal of 140734272 is 272437041.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×140734272² = 39612270630739968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140734271) 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, 64788 + ... + 66924.

Almost surely, 2^140734272 is an apocalyptic number.

140734272 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 140734272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217220800).

140734272 is an abundant number, since it is smaller than the sum of its proper divisors (293707328).

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

140734272 is an equidigital number, since it uses as much as digits as its factorization.

140734272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 140734272 is about 11863.1476430162. The cubic root of 140734272 is about 520.1556141761.

The spelling of 140734272 in words is "one hundred forty million, seven hundred thirty-four thousand, two hundred seventy-two".