135007623 has 6 divisors (see below), whose sum is σ = 195011024. Its totient is φ = 90005076.

The previous prime is 135007619. The next prime is 135007627. The reversal of 135007623 is 326700531.

It is a happy number.

135007623 is a `hidden beast` number, since 1 + 35 + 0 + 0 + 7 + 623 = 666.

It is an interprime number because it is at equal distance from previous prime (135007619) and next prime (135007627).

It is not a de Polignac number, because 135007623 - 2² = 135007619 is a prime.

It is a super-2 number, since 2×135007623² = 36454116536220258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135007627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7500415 + ... + 7500432.

Almost surely, 2^135007623 is an apocalyptic number.

135007623 is a deficient number, since it is larger than the sum of its proper divisors (60003401).

135007623 is a wasteful number, since it uses less digits than its factorization.

135007623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000853 (or 15000850 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 135007623 is about 11619.2780756809. The cubic root of 135007623 is about 513.0024394855.

The spelling of 135007623 in words is "one hundred thirty-five million, seven thousand, six hundred twenty-three".