135337948213 has 8 divisors (see below), whose sum is σ = 146161450008. Its totient is φ = 124573430784.

The previous prime is 135337948189. The next prime is 135337948219. The reversal of 135337948213 is 312849733531.

It can be written as a sum of positive squares in 4 ways, for example, as 6250799844 + 129087148369 = 79062^2 + 359287^2 .

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 135337948213 - 2²¹ = 135335851061 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 (135337948219) 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, 14741320 + ... + 14750497.

It is an arithmetic number, because the mean of its divisors is an integer number (18270181251).

Almost surely, 2^135337948213 is an apocalyptic number.

135337948213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135337948213 is a deficient number, since it is larger than the sum of its proper divisors (10823501795).

135337948213 is a wasteful number, since it uses less digits than its factorization.

135337948213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492183.

The product of its digits is 1632960, while the sum is 49.

The spelling of 135337948213 in words is "one hundred thirty-five billion, three hundred thirty-seven million, nine hundred forty-eight thousand, two hundred thirteen".