140554533 has 16 divisors (see below), whose sum is σ = 225451520. Its totient is φ = 76089456.

The previous prime is 140554523. The next prime is 140554549. The reversal of 140554533 is 335455041.

It is not a de Polignac number, because 140554533 - 2⁵ = 140554501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140554533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140554523) 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, 175735 + ... + 176532.

It is an arithmetic number, because the mean of its divisors is an integer number (14090720).

Almost surely, 2^140554533 is an apocalyptic number.

It is an amenable number.

140554533 is a deficient number, since it is larger than the sum of its proper divisors (84896987).

140554533 is a wasteful number, since it uses less digits than its factorization.

140554533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352296.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 140554533 is about 11855.5697037300. The cubic root of 140554533 is about 519.9340806478.

The spelling of 140554533 in words is "one hundred forty million, five hundred fifty-four thousand, five hundred thirty-three".