135497501 has 8 divisors (see below), whose sum is σ = 136648704. Its totient is φ = 134351280.

The previous prime is 135497489. The next prime is 135497503. The reversal of 135497501 is 105794531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135497501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135497503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69131 + ... + 71063.

It is an arithmetic number, because the mean of its divisors is an integer number (17081088).

Almost surely, 2^135497501 is an apocalyptic number.

It is an amenable number.

135497501 is a deficient number, since it is larger than the sum of its proper divisors (1151203).

135497501 is a wasteful number, since it uses less digits than its factorization.

135497501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 135497501 is about 11640.3393850867. The cubic root of 135497501 is about 513.6221705673.

The spelling of 135497501 in words is "one hundred thirty-five million, four hundred ninety-seven thousand, five hundred one".