140201555 has 16 divisors (see below), whose sum is σ = 182269920. Its totient is φ = 103525344.

The previous prime is 140201549. The next prime is 140201557. The reversal of 140201555 is 555102041.

It is a happy number.

140201555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140201555 - 2²² = 136007251 is a prime.

It is a super-3 number, since 3×140201555³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140201555.

It is not an unprimeable number, because it can be changed into a prime (140201557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604 + ... + 17366.

It is an arithmetic number, because the mean of its divisors is an integer number (11391870).

Almost surely, 2^140201555 is an apocalyptic number.

140201555 is a deficient number, since it is larger than the sum of its proper divisors (42068365).

140201555 is an equidigital number, since it uses as much as digits as its factorization.

140201555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807 (or 12781 counting only the distinct ones).

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

The square root of 140201555 is about 11840.6737561678. The cubic root of 140201555 is about 519.4984747820.

Adding to 140201555 its reverse (555102041), we get a palindrome (695303596).

The spelling of 140201555 in words is "one hundred forty million, two hundred one thousand, five hundred fifty-five".