134263145323513 has 4 divisors (see below), whose sum is σ = 136538791854480. Its totient is φ = 131987498792548.

The previous prime is 134263145323507. The next prime is 134263145323519. The reversal of 134263145323513 is 315323541362431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (134263145323507) and next prime (134263145323519).

It is a cyclic number.

It is not a de Polignac number, because 134263145323513 - 2¹⁷ = 134263145192441 is a prime.

It is a super-2 number, since 2×134263145323513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134263145323519) 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, 1137823265395 + ... + 1137823265512.

It is an arithmetic number, because the mean of its divisors is an integer number (34134697963620).

Almost surely, 2^{134263145323513} is an apocalyptic number.

It is an amenable number.

134263145323513 is a deficient number, since it is larger than the sum of its proper divisors (2275646530967).

134263145323513 is an equidigital number, since it uses as much as digits as its factorization.

134263145323513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275646530966.

The product of its digits is 2332800, while the sum is 46.

Adding to 134263145323513 its reverse (315323541362431), we get a palindrome (449586686685944).

The spelling of 134263145323513 in words is "one hundred thirty-four trillion, two hundred sixty-three billion, one hundred forty-five million, three hundred twenty-three thousand, five hundred thirteen".