140633055 has 12 divisors (see below), whose sum is σ = 243764040. Its totient is φ = 75004272.

The previous prime is 140633047. The next prime is 140633057. The reversal of 140633055 is 550336041.

It is not a de Polignac number, because 140633055 - 2³ = 140633047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140633057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1562545 + ... + 1562634.

It is an arithmetic number, because the mean of its divisors is an integer number (20313670).

Almost surely, 2^140633055 is an apocalyptic number.

140633055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140633055 is a deficient number, since it is larger than the sum of its proper divisors (103130985).

140633055 is a wasteful number, since it uses less digits than its factorization.

140633055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125190 (or 3125187 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 140633055 is about 11858.8808493888. The cubic root of 140633055 is about 520.0308845069.

Adding to 140633055 its reverse (550336041), we get a palindrome (690969096).

The spelling of 140633055 in words is "one hundred forty million, six hundred thirty-three thousand, fifty-five".