140533401 has 8 divisors (see below), whose sum is σ = 188075520. Its totient is φ = 93340112.

The previous prime is 140533387. The next prime is 140533409. The reversal of 140533401 is 104335041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140533401 - 2⁷ = 140533273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140533409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86265 + ... + 87878.

It is an arithmetic number, because the mean of its divisors is an integer number (23509440).

Almost surely, 2^140533401 is an apocalyptic number.

It is an amenable number.

140533401 is a deficient number, since it is larger than the sum of its proper divisors (47542119).

140533401 is a wasteful number, since it uses less digits than its factorization.

140533401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174415.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140533401 is about 11854.6784435513. The cubic root of 140533401 is about 519.9080224401.

Adding to 140533401 its reverse (104335041), we get a palindrome (244868442).

The spelling of 140533401 in words is "one hundred forty million, five hundred thirty-three thousand, four hundred one".