140591072 has 24 divisors (see below), whose sum is σ = 286335000. Its totient is φ = 67871104.

The previous prime is 140591063. The next prime is 140591119. The reversal of 140591072 is 270195041.

It is a super-2 number, since 2×140591072² = 39531699052218368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 3 ways as a sum of consecutive naturals, for example, 74822 + ... + 76677.

It is an arithmetic number, because the mean of its divisors is an integer number (11930625).

Almost surely, 2^140591072 is an apocalyptic number.

It is an amenable number.

140591072 is an abundant number, since it is smaller than the sum of its proper divisors (145743928).

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

140591072 is a wasteful number, since it uses less digits than its factorization.

140591072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151538 (or 151530 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 140591072 is about 11857.1106092505. The cubic root of 140591072 is about 519.9791313124.

The spelling of 140591072 in words is "one hundred forty million, five hundred ninety-one thousand, seventy-two".