140400033 has 16 divisors (see below), whose sum is σ = 188978496. Its totient is φ = 92715840.

The previous prime is 140400019. The next prime is 140400037. The reversal of 140400033 is 330004041.

It is not a de Polignac number, because 140400033 - 2⁶ = 140399969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140399985 and 140400021.

It is not an unprimeable number, because it can be changed into a prime (140400037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185091 + ... + 185847.

It is an arithmetic number, because the mean of its divisors is an integer number (11811156).

Almost surely, 2^140400033 is an apocalyptic number.

It is an amenable number.

140400033 is a deficient number, since it is larger than the sum of its proper divisors (48578463).

140400033 is a wasteful number, since it uses less digits than its factorization.

140400033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140400033 is about 11849.0519873954. The cubic root of 140400033 is about 519.7435039252.

Adding to 140400033 its reverse (330004041), we get a palindrome (470404074).

The spelling of 140400033 in words is "one hundred forty million, four hundred thousand, thirty-three".