135251155043 has 4 divisors (see below), whose sum is σ = 135652494120. Its totient is φ = 134849815968.

The previous prime is 135251155033. The next prime is 135251155079. The reversal of 135251155043 is 340551152531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340551152531 = 5273 ⋅64583947.

It is a cyclic number.

It is not a de Polignac number, because 135251155043 - 2⁴ = 135251155027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135251154994 and 135251155012.

It is not an unprimeable number, because it can be changed into a prime (135251155033) 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, 200669033 + ... + 200669706.

It is an arithmetic number, because the mean of its divisors is an integer number (33913123530).

Almost surely, 2^135251155043 is an apocalyptic number.

135251155043 is a deficient number, since it is larger than the sum of its proper divisors (401339077).

135251155043 is an equidigital number, since it uses as much as digits as its factorization.

135251155043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401339076.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 135251155043 in words is "one hundred thirty-five billion, two hundred fifty-one million, one hundred fifty-five thousand, forty-three".