140055015 has 8 divisors (see below), whose sum is σ = 224088048. Its totient is φ = 74696000.

The previous prime is 140055011. The next prime is 140055029. The reversal of 140055015 is 510550041.

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

It is not a de Polignac number, because 140055015 - 2² = 140055011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140054982 and 140055000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140055011) 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 7 ways as a sum of consecutive naturals, for example, 4668486 + ... + 4668515.

It is an arithmetic number, because the mean of its divisors is an integer number (28011006).

Almost surely, 2^140055015 is an apocalyptic number.

140055015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140055015 is a deficient number, since it is larger than the sum of its proper divisors (84033033).

140055015 is an equidigital number, since it uses as much as digits as its factorization.

140055015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337009.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 140055015 is about 11834.4841459187. The cubic root of 140055015 is about 519.3174167690.

The spelling of 140055015 in words is "one hundred forty million, fifty-five thousand, fifteen".