135413487 has 24 divisors (see below), whose sum is σ = 220267008. Its totient is φ = 79419600.

The previous prime is 135413471. The next prime is 135413491. The reversal of 135413487 is 784314531.

It is a happy number.

135413487 is a `hidden beast` number, since 1 + 3 + 541 + 34 + 87 = 666.

It is not a de Polignac number, because 135413487 - 2⁴ = 135413471 is a prime.

It is a super-2 number, since 2×135413487² = 36673624922998338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135413497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18993 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (9177792).

Almost surely, 2^135413487 is an apocalyptic number.

135413487 is a deficient number, since it is larger than the sum of its proper divisors (84853521).

135413487 is a wasteful number, since it uses less digits than its factorization.

135413487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44171 (or 44168 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 135413487 is about 11636.7300819431. The cubic root of 135413487 is about 513.5159930257.

It can be divided in two parts, 1354 and 13487, that added together give a palindrome (14841).

The spelling of 135413487 in words is "one hundred thirty-five million, four hundred thirteen thousand, four hundred eighty-seven".