140778033669 has 64 divisors (see below), whose sum is σ = 257637703680. Its totient is φ = 73982185920.

The previous prime is 140778033647. The next prime is 140778033689. The reversal of 140778033669 is 966330877041.

It is not a de Polignac number, because 140778033669 - 2¹³ = 140778025477 is a prime.

It is a super-2 number, since 2×140778033669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140778033689) 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 63 ways as a sum of consecutive naturals, for example, 560134 + ... + 771560.

It is an arithmetic number, because the mean of its divisors is an integer number (4025589120).

Almost surely, 2^140778033669 is an apocalyptic number.

It is an amenable number.

140778033669 is a deficient number, since it is larger than the sum of its proper divisors (116859670011).

140778033669 is a wasteful number, since it uses less digits than its factorization.

140778033669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211727 (or 211721 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 140778033669 in words is "one hundred forty billion, seven hundred seventy-eight million, thirty-three thousand, six hundred sixty-nine".