140778933 has 8 divisors (see below), whose sum is σ = 187927200. Its totient is φ = 93741648.

The previous prime is 140778931. The next prime is 140778973. The reversal of 140778933 is 339877041.

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

It is not a de Polignac number, because 140778933 - 2¹ = 140778931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140778931) 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 7 ways as a sum of consecutive naturals, for example, 24738 + ... + 29891.

It is an arithmetic number, because the mean of its divisors is an integer number (23490900).

Almost surely, 2^140778933 is an apocalyptic number.

It is an amenable number.

140778933 is a deficient number, since it is larger than the sum of its proper divisors (47148267).

140778933 is an equidigital number, since it uses as much as digits as its factorization.

140778933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55491.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 140778933 is about 11865.0298356136. The cubic root of 140778933 is about 520.2106308933.

The spelling of 140778933 in words is "one hundred forty million, seven hundred seventy-eight thousand, nine hundred thirty-three".