140009292 has 36 divisors (see below), whose sum is σ = 355884256. Its totient is φ = 46409760.

The previous prime is 140009291. The next prime is 140009323. The reversal of 140009292 is 292900041.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (140009291) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4228 + ... + 17259.

Almost surely, 2^140009292 is an apocalyptic number.

140009292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140009292 is an abundant number, since it is smaller than the sum of its proper divisors (215874964).

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

140009292 is a wasteful number, since it uses less digits than its factorization.

140009292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21678 (or 21673 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140009292 is about 11832.5522183509. The cubic root of 140009292 is about 519.2608977060.

The spelling of 140009292 in words is "one hundred forty million, nine thousand, two hundred ninety-two".