140877965 has 8 divisors (see below), whose sum is σ = 169180440. Its totient is φ = 112617792.

The previous prime is 140877959. The next prime is 140877977. The reversal of 140877965 is 569778041.

It can be written as a sum of positive squares in 4 ways, for example, as 5900041 + 134977924 = 2429^2 + 11618^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140877965 - 2⁴ = 140877949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (21147555).

Almost surely, 2^140877965 is an apocalyptic number.

It is an amenable number.

140877965 is a deficient number, since it is larger than the sum of its proper divisors (28302475).

140877965 is a wasteful number, since it uses less digits than its factorization.

140877965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21151.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 140877965 is about 11869.2023742120. The cubic root of 140877965 is about 520.3325843293.

The spelling of 140877965 in words is "one hundred forty million, eight hundred seventy-seven thousand, nine hundred sixty-five".