140007487 has 8 divisors (see below), whose sum is σ = 140849280. Its totient is φ = 139168920.

The previous prime is 140007481. The next prime is 140007493. The reversal of 140007487 is 784700041.

It is an interprime number because it is at equal distance from previous prime (140007481) and next prime (140007493).

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 140007487 - 2³ = 140007479 is a prime.

It is a super-3 number, since 3×140007487³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140007481) 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, 204648 + ... + 205330.

It is an arithmetic number, because the mean of its divisors is an integer number (17606160).

Almost surely, 2^140007487 is an apocalyptic number.

140007487 is a deficient number, since it is larger than the sum of its proper divisors (841793).

140007487 is an equidigital number, since it uses as much as digits as its factorization.

140007487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 140007487 is about 11832.4759454647. The cubic root of 140007487 is about 519.2586662590.

The spelling of 140007487 in words is "one hundred forty million, seven thousand, four hundred eighty-seven".