140373261 has 24 divisors (see below), whose sum is σ = 235532544. Its totient is φ = 78896160.

The previous prime is 140373251. The next prime is 140373281. The reversal of 140373261 is 162373041.

It is not a de Polignac number, because 140373261 - 2¹⁰ = 140372237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140373221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14421 + ... + 22106.

It is an arithmetic number, because the mean of its divisors is an integer number (9813856).

Almost surely, 2^140373261 is an apocalyptic number.

It is an amenable number.

140373261 is a deficient number, since it is larger than the sum of its proper divisors (95159283).

140373261 is a wasteful number, since it uses less digits than its factorization.

140373261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36601 (or 36598 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 140373261 is about 11847.9222229047. The cubic root of 140373261 is about 519.7104662843.

The spelling of 140373261 in words is "one hundred forty million, three hundred seventy-three thousand, two hundred sixty-one".