140536401 has 8 divisors (see below), whose sum is σ = 187445280. Its totient is φ = 93659232.

The previous prime is 140536391. The next prime is 140536421. The reversal of 140536401 is 104635041.

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

It is not a de Polignac number, because 140536401 - 2¹¹ = 140534353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140536421) 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, 5826 + ... + 17748.

It is an arithmetic number, because the mean of its divisors is an integer number (23430660).

Almost surely, 2^140536401 is an apocalyptic number.

It is an amenable number.

140536401 is a deficient number, since it is larger than the sum of its proper divisors (46908879).

140536401 is a wasteful number, since it uses less digits than its factorization.

140536401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 140536401 is about 11854.8049751989. The cubic root of 140536401 is about 519.9117219472.

The spelling of 140536401 in words is "one hundred forty million, five hundred thirty-six thousand, four hundred one".