140009372 has 36 divisors (see below), whose sum is σ = 258644736. Its totient is φ = 66306240.

The previous prime is 140009357. The next prime is 140009413. The reversal of 140009372 is 273900041.

140009372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×140009372³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268472 + ... + 268992.

It is an arithmetic number, because the mean of its divisors is an integer number (7184576).

Almost surely, 2^140009372 is an apocalyptic number.

It is an amenable number.

140009372 is a deficient number, since it is larger than the sum of its proper divisors (118635364).

140009372 is a wasteful number, since it uses less digits than its factorization.

140009372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 140009372 is about 11832.5555988552. Note that the first 4 decimals coincide. The cubic root of 140009372 is about 519.2609966063.

The spelling of 140009372 in words is "one hundred forty million, nine thousand, three hundred seventy-two".