140267655 has 24 divisors (see below), whose sum is σ = 265234320. Its totient is φ = 68008320.

The previous prime is 140267651. The next prime is 140267717. The reversal of 140267655 is 556762041.

It is a happy number.

It is not a de Polignac number, because 140267655 - 2² = 140267651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140267651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 141190 + ... + 142179.

It is an arithmetic number, because the mean of its divisors is an integer number (11051430).

Almost surely, 2^140267655 is an apocalyptic number.

140267655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140267655 is a deficient number, since it is larger than the sum of its proper divisors (124966665).

140267655 is a wasteful number, since it uses less digits than its factorization.

140267655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283391 (or 283388 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 140267655 is about 11843.4646535547. The cubic root of 140267655 is about 519.5801035820.

The spelling of 140267655 in words is "one hundred forty million, two hundred sixty-seven thousand, six hundred fifty-five".