140377287 has 8 divisors (see below), whose sum is σ = 190238320. Its totient is φ = 92050560.

The previous prime is 140377273. The next prime is 140377309. The reversal of 140377287 is 782773041.

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

It is not a de Polignac number, because 140377287 - 2⁴ = 140377271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140377267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383362 + ... + 383727.

It is an arithmetic number, because the mean of its divisors is an integer number (23779790).

Almost surely, 2^140377287 is an apocalyptic number.

140377287 is a deficient number, since it is larger than the sum of its proper divisors (49861033).

140377287 is an equidigital number, since it uses as much as digits as its factorization.

140377287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767153.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 140377287 is about 11848.0921248950. The cubic root of 140377287 is about 519.7154347859.

The spelling of 140377287 in words is "one hundred forty million, three hundred seventy-seven thousand, two hundred eighty-seven".