136487984 has 20 divisors (see below), whose sum is σ = 267795360. Its totient is φ = 67379520.

The previous prime is 136487971. The next prime is 136487999. The reversal of 136487984 is 489784631.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52727 + ... + 55254.

It is an arithmetic number, because the mean of its divisors is an integer number (13389768).

Almost surely, 2^136487984 is an apocalyptic number.

It is an amenable number.

136487984 is a deficient number, since it is larger than the sum of its proper divisors (131307376).

136487984 is a wasteful number, since it uses less digits than its factorization.

136487984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108068 (or 108062 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 136487984 is about 11682.8071969026. The cubic root of 136487984 is about 514.8706546693.

The spelling of 136487984 in words is "one hundred thirty-six million, four hundred eighty-seven thousand, nine hundred eighty-four".