135050423251 has 8 divisors (see below), whose sum is σ = 135542533808. Its totient is φ = 134558820000.

The previous prime is 135050423237. The next prime is 135050423269. The reversal of 135050423251 is 152324050531.

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 135050423251 - 2²³ = 135042034643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135050493251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410701 + ... + 662401.

It is an arithmetic number, because the mean of its divisors is an integer number (16942816726).

Almost surely, 2^135050423251 is an apocalyptic number.

135050423251 is a deficient number, since it is larger than the sum of its proper divisors (492110557).

135050423251 is a wasteful number, since it uses less digits than its factorization.

135050423251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253653.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 135050423251 its reverse (152324050531), we get a palindrome (287374473782).

The spelling of 135050423251 in words is "one hundred thirty-five billion, fifty million, four hundred twenty-three thousand, two hundred fifty-one".