140636055 has 16 divisors (see below), whose sum is σ = 257163264. Its totient is φ = 64290720.

The previous prime is 140636039. The next prime is 140636063. The reversal of 140636055 is 550636041.

It is not a de Polignac number, because 140636055 - 2⁴ = 140636039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669591 + ... + 669800.

It is an arithmetic number, because the mean of its divisors is an integer number (16072704).

Almost surely, 2^140636055 is an apocalyptic number.

140636055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140636055 is a deficient number, since it is larger than the sum of its proper divisors (116527209).

140636055 is a wasteful number, since it uses less digits than its factorization.

140636055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339406.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 140636055 is about 11859.0073361981. The cubic root of 140636055 is about 520.0345822662.

The spelling of 140636055 in words is "one hundred forty million, six hundred thirty-six thousand, fifty-five".