135703987 has 2 divisors, whose sum is σ = 135703988. Its totient is φ = 135703986.

The previous prime is 135703969. The next prime is 135703991. The reversal of 135703987 is 789307531.

135703987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (789307531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135703987 - 2⁷ = 135703859 is a prime.

It is a super-3 number, since 3×135703987³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (135703937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67851993 + 67851994.

It is an arithmetic number, because the mean of its divisors is an integer number (67851994).

Almost surely, 2^135703987 is an apocalyptic number.

135703987 is a deficient number, since it is larger than the sum of its proper divisors (1).

135703987 is an equidigital number, since it uses as much as digits as its factorization.

135703987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 135703987 is about 11649.2054235471. The cubic root of 135703987 is about 513.8829428057.

The spelling of 135703987 in words is "one hundred thirty-five million, seven hundred three thousand, nine hundred eighty-seven".