140377966 has 16 divisors (see below), whose sum is σ = 223146000. Its totient is φ = 66045888.

The previous prime is 140377961. The next prime is 140377967. The reversal of 140377966 is 669773041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140377961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6735 + ... + 18058.

It is an arithmetic number, because the mean of its divisors is an integer number (13946625).

Almost surely, 2^140377966 is an apocalyptic number.

140377966 is a deficient number, since it is larger than the sum of its proper divisors (82768034).

140377966 is a wasteful number, since it uses less digits than its factorization.

140377966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24963.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 140377966 is about 11848.1207792628. The cubic root of 140377966 is about 519.7162727330.

The spelling of 140377966 in words is "one hundred forty million, three hundred seventy-seven thousand, nine hundred sixty-six".