135554699837 has 8 divisors (see below), whose sum is σ = 135678797496. Its totient is φ = 135430661632.

The previous prime is 135554699809. The next prime is 135554699851. The reversal of 135554699837 is 738996455531.

It can be written as a sum of positive squares in 4 ways, for example, as 76230361 + 135478469476 = 8731^2 + 368074^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 135554699837 - 2¹⁰ = 135554698813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135554699887) 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, 5414693 + ... + 5439669.

It is an arithmetic number, because the mean of its divisors is an integer number (16959849687).

Almost surely, 2^135554699837 is an apocalyptic number.

It is an amenable number.

135554699837 is a deficient number, since it is larger than the sum of its proper divisors (124097659).

135554699837 is a wasteful number, since it uses less digits than its factorization.

135554699837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29727.

The product of its digits is 122472000, while the sum is 65.

The spelling of 135554699837 in words is "one hundred thirty-five billion, five hundred fifty-four million, six hundred ninety-nine thousand, eight hundred thirty-seven".