135394637 has 8 divisors (see below), whose sum is σ = 156332736. Its totient is φ = 114855552.

The previous prime is 135394631. The next prime is 135394643. The reversal of 135394637 is 736493531.

It is an interprime number because it is at equal distance from previous prime (135394631) and next prime (135394643).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135394637 - 2¹⁸ = 135132493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135394594 and 135394603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135394631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99023 + ... + 100380.

It is an arithmetic number, because the mean of its divisors is an integer number (19541592).

Almost surely, 2^135394637 is an apocalyptic number.

It is an amenable number.

135394637 is a deficient number, since it is larger than the sum of its proper divisors (20938099).

135394637 is an equidigital number, since it uses as much as digits as its factorization.

135394637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199507.

The product of its digits is 204120, while the sum is 41.

The square root of 135394637 is about 11635.9201183233. The cubic root of 135394637 is about 513.4921642184.

The spelling of 135394637 in words is "one hundred thirty-five million, three hundred ninety-four thousand, six hundred thirty-seven".