135403652501 has 4 divisors (see below), whose sum is σ = 145819318092. Its totient is φ = 124987986912.

The previous prime is 135403652473. The next prime is 135403652561. The reversal of 135403652501 is 105256304531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10727573476 + 124676079025 = 103574^2 + 353095^2 .

It is a cyclic number.

It is not a de Polignac number, because 135403652501 - 2¹⁴ = 135403636117 is a prime.

It is a super-2 number, since 2×135403652501² (a number of 23 digits) 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 (135403652561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5207832776 + ... + 5207832801.

It is an arithmetic number, because the mean of its divisors is an integer number (36454829523).

Almost surely, 2^135403652501 is an apocalyptic number.

It is an amenable number.

135403652501 is a deficient number, since it is larger than the sum of its proper divisors (10415665591).

135403652501 is a wasteful number, since it uses less digits than its factorization.

135403652501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415665590.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 135403652501 in words is "one hundred thirty-five billion, four hundred three million, six hundred fifty-two thousand, five hundred one".