140877189 has 24 divisors (see below), whose sum is σ = 212913792. Its totient is φ = 89666880.

The previous prime is 140877179. The next prime is 140877193. The reversal of 140877189 is 981778041.

It is not a de Polignac number, because 140877189 - 2⁴ = 140877173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140877109) 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 23 ways as a sum of consecutive naturals, for example, 13282 + ... + 21404.

It is an arithmetic number, because the mean of its divisors is an integer number (8871408).

Almost surely, 2^140877189 is an apocalyptic number.

It is an amenable number.

140877189 is a deficient number, since it is larger than the sum of its proper divisors (72036603).

140877189 is a wasteful number, since it uses less digits than its factorization.

140877189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217 (or 8214 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 140877189 is about 11869.1696845230. The cubic root of 140877189 is about 520.3316289426.

The spelling of 140877189 in words is "one hundred forty million, eight hundred seventy-seven thousand, one hundred eighty-nine".