140272236 has 144 divisors (see below), whose sum is σ = 419930784. Its totient is φ = 40559616.

The previous prime is 140272229. The next prime is 140272243. The reversal of 140272236 is 632272041.

It is an interprime number because it is at equal distance from previous prime (140272229) and next prime (140272243).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214486 + ... + 215138.

It is an arithmetic number, because the mean of its divisors is an integer number (2916186).

Almost surely, 2^140272236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140272236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209965392).

140272236 is an abundant number, since it is smaller than the sum of its proper divisors (279658548).

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

140272236 is a wasteful number, since it uses less digits than its factorization.

140272236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 140272236 is about 11843.6580497750. The cubic root of 140272236 is about 519.5857598410.

The spelling of 140272236 in words is "one hundred forty million, two hundred seventy-two thousand, two hundred thirty-six".