140116554 has 20 divisors (see below), whose sum is σ = 313965234. Its totient is φ = 46705464.

The previous prime is 140116553. The next prime is 140116591. The reversal of 140116554 is 455611041.

140116554 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 1 + 655 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116057529 + 24059025 = 10773^2 + 4905^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140116553) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 432297 + ... + 432620.

Almost surely, 2^140116554 is an apocalyptic number.

140116554 is an abundant number, since it is smaller than the sum of its proper divisors (173848680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140116554 is an equidigital number, since it uses as much as digits as its factorization.

140116554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864931 (or 864922 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 140116554 is about 11837.0838469616. The cubic root of 140116554 is about 519.3934668720.

Adding to 140116554 its reverse (455611041), we get a palindrome (595727595).

It can be divided in two parts, 1401 and 16554, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 140116554 in words is "one hundred forty million, one hundred sixteen thousand, five hundred fifty-four".