135945157 has 4 divisors (see below), whose sum is σ = 141855840. Its totient is φ = 130034476.

The previous prime is 135945151. The next prime is 135945167. The reversal of 135945157 is 751549531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 751549531 = 137 ⋅5485763.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135945157 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135945151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2955307 + ... + 2955352.

It is an arithmetic number, because the mean of its divisors is an integer number (35463960).

Almost surely, 2^135945157 is an apocalyptic number.

It is an amenable number.

135945157 is a deficient number, since it is larger than the sum of its proper divisors (5910683).

135945157 is an equidigital number, since it uses as much as digits as its factorization.

135945157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910682.

The product of its digits is 94500, while the sum is 40.

The square root of 135945157 is about 11659.5521783643. The cubic root of 135945157 is about 514.1871829572.

The spelling of 135945157 in words is "one hundred thirty-five million, nine hundred forty-five thousand, one hundred fifty-seven".