140540433 has 8 divisors (see below), whose sum is σ = 204422496. Its totient is φ = 85176000.

The previous prime is 140540431. The next prime is 140540483. The reversal of 140540433 is 334045041.

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

It is not a de Polignac number, because 140540433 - 2¹ = 140540431 is a prime.

It is a super-2 number, since 2×140540433² = 39503226615654978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140540431) 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, 2129368 + ... + 2129433.

It is an arithmetic number, because the mean of its divisors is an integer number (25552812).

Almost surely, 2^140540433 is an apocalyptic number.

It is an amenable number.

140540433 is a deficient number, since it is larger than the sum of its proper divisors (63882063).

140540433 is a wasteful number, since it uses less digits than its factorization.

140540433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258815.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140540433 is about 11854.9750316059. The cubic root of 140540433 is about 519.9166940019.

Adding to 140540433 its reverse (334045041), we get a palindrome (474585474).

The spelling of 140540433 in words is "one hundred forty million, five hundred forty thousand, four hundred thirty-three".