1487040139 has 8 divisors (see below), whose sum is σ = 1601782560. Its totient is φ = 1372348416.

The previous prime is 1487040083. The next prime is 1487040157. The reversal of 1487040139 is 9310407841.

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 1487040139 - 2¹⁵ = 1487007371 is a prime.

It is a super-2 number, since 2×1487040139² = 4422576749994278642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1487040098 and 1487040107.

It is not an unprimeable number, because it can be changed into a prime (1487040169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66699 + ... + 86155.

It is an arithmetic number, because the mean of its divisors is an integer number (200222820).

Almost surely, 2^1487040139 is an apocalyptic number.

1487040139 is a deficient number, since it is larger than the sum of its proper divisors (114742421).

1487040139 is a wasteful number, since it uses less digits than its factorization.

1487040139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25349.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1487040139 is about 38562.1594182691. The cubic root of 1487040139 is about 1141.4079605422.

The spelling of 1487040139 in words is "one billion, four hundred eighty-seven million, forty thousand, one hundred thirty-nine".