140436072 has 128 divisors (see below), whose sum is σ = 448761600. Its totient is φ = 39861504.

The previous prime is 140436041. The next prime is 140436103. The reversal of 140436072 is 270634041.

140436072 is a `hidden beast` number, since 14 + 0 + 43 + 607 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (140436041) and next prime (140436103).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442858 + ... + 443174.

It is an arithmetic number, because the mean of its divisors is an integer number (3505950).

Almost surely, 2^140436072 is an apocalyptic number.

140436072 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 140436072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224380800).

140436072 is an abundant number, since it is smaller than the sum of its proper divisors (308325528).

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

140436072 is a wasteful number, since it uses less digits than its factorization.

140436072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 622 counting only the distinct ones).

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

The square root of 140436072 is about 11850.5726443915. The cubic root of 140436072 is about 519.7879707563.

The spelling of 140436072 in words is "one hundred forty million, four hundred thirty-six thousand, seventy-two".