7139642903687 has 16 divisors (see below), whose sum is σ = 8326972526400. Its totient is φ = 5995420104960.

The previous prime is 7139642903683. The next prime is 7139642903737. The reversal of 7139642903687 is 7863092469317.

It is a cyclic number.

It is not a de Polignac number, because 7139642903687 - 2² = 7139642903683 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 (7139642903683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52501364 + ... + 52637177.

It is an arithmetic number, because the mean of its divisors is an integer number (520435782900).

Almost surely, 2^{7139642903687} is an apocalyptic number.

7139642903687 is a deficient number, since it is larger than the sum of its proper divisors (1187329622713).

7139642903687 is a wasteful number, since it uses less digits than its factorization.

7139642903687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105138746.

The product of its (nonzero) digits is 82301184, while the sum is 65.

The spelling of 7139642903687 in words is "seven trillion, one hundred thirty-nine billion, six hundred forty-two million, nine hundred three thousand, six hundred eighty-seven".