140726855 has 4 divisors (see below), whose sum is σ = 168872232. Its totient is φ = 112581480.

The previous prime is 140726843. The next prime is 140726893. The reversal of 140726855 is 558627041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558627041 = 7 ⋅79803863.

It is not a de Polignac number, because 140726855 - 2⁶ = 140726791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14072681 + ... + 14072690.

It is an arithmetic number, because the mean of its divisors is an integer number (42218058).

Almost surely, 2^140726855 is an apocalyptic number.

140726855 is a deficient number, since it is larger than the sum of its proper divisors (28145377).

140726855 is an equidigital number, since it uses as much as digits as its factorization.

140726855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28145376.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 140726855 is about 11862.8350321498. The cubic root of 140726855 is about 520.1464762409.

The spelling of 140726855 in words is "one hundred forty million, seven hundred twenty-six thousand, eight hundred fifty-five".