136987093 has 16 divisors (see below), whose sum is σ = 148515840. Its totient is φ = 125938800.

The previous prime is 136987069. The next prime is 136987111. The reversal of 136987093 is 390789631.

It is a cyclic number.

It is not a de Polignac number, because 136987093 - 2¹³ = 136978901 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 (136987043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116398 + ... + 117568.

It is an arithmetic number, because the mean of its divisors is an integer number (9282240).

Almost surely, 2^136987093 is an apocalyptic number.

It is an amenable number.

136987093 is a deficient number, since it is larger than the sum of its proper divisors (11528747).

136987093 is a wasteful number, since it uses less digits than its factorization.

136987093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 136987093 is about 11704.1485380185. The cubic root of 136987093 is about 515.4974839029.

The spelling of 136987093 in words is "one hundred thirty-six million, nine hundred eighty-seven thousand, ninety-three".