135769157 has 8 divisors (see below), whose sum is σ = 143985600. Its totient is φ = 127578304.

The previous prime is 135769121. The next prime is 135769171. The reversal of 135769157 is 751967531.

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 135769157 - 2⁸ = 135768901 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 (135769187) 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, 5144 + ... + 17262.

It is an arithmetic number, because the mean of its divisors is an integer number (17998200).

Almost surely, 2^135769157 is an apocalyptic number.

135769157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

135769157 is a deficient number, since it is larger than the sum of its proper divisors (8216443).

135769157 is a wasteful number, since it uses less digits than its factorization.

135769157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795.

The product of its digits is 198450, while the sum is 44.

The square root of 135769157 is about 11652.0022742875. The cubic root of 135769157 is about 513.9651914131.

The spelling of 135769157 in words is "one hundred thirty-five million, seven hundred sixty-nine thousand, one hundred fifty-seven".