140280501 has 8 divisors (see below), whose sum is σ = 188161344. Its totient is φ = 92960000.

The previous prime is 140280499. The next prime is 140280509. The reversal of 140280501 is 105082041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140280501 - 2¹ = 140280499 is a prime.

It is a super-2 number, since 2×140280501² = 39357237921622002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140280509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139500 + ... + 140501.

It is an arithmetic number, because the mean of its divisors is an integer number (23520168).

Almost surely, 2^140280501 is an apocalyptic number.

It is an amenable number.

140280501 is a deficient number, since it is larger than the sum of its proper divisors (47880843).

140280501 is a wasteful number, since it uses less digits than its factorization.

140280501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280171.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 140280501 is about 11844.0069655501. The cubic root of 140280501 is about 519.5959645023.

The spelling of 140280501 in words is "one hundred forty million, two hundred eighty thousand, five hundred one".