140255501 has 8 divisors (see below), whose sum is σ = 146275584. Its totient is φ = 134328960.

The previous prime is 140255497. The next prime is 140255503. The reversal of 140255501 is 105552041.

It is a happy number.

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 140255501 - 2² = 140255497 is a prime.

It is a super-2 number, since 2×140255501² = 39343211121522002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140255503) 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, 20315 + ... + 26328.

It is an arithmetic number, because the mean of its divisors is an integer number (18284448).

Almost surely, 2^140255501 is an apocalyptic number.

It is an amenable number.

140255501 is a deficient number, since it is larger than the sum of its proper divisors (6020083).

140255501 is an equidigital number, since it uses as much as digits as its factorization.

140255501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46771.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 140255501 is about 11842.9515324517. The cubic root of 140255501 is about 519.5650961807.

The spelling of 140255501 in words is "one hundred forty million, two hundred fifty-five thousand, five hundred one".