1913765135 has 4 divisors (see below), whose sum is σ = 2296518168. Its totient is φ = 1531012104.

The previous prime is 1913765107. The next prime is 1913765197. The reversal of 1913765135 is 5315673191.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1913765135 - 2¹² = 1913761039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1913765092 and 1913765101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191376509 + ... + 191376518.

It is an arithmetic number, because the mean of its divisors is an integer number (574129542).

Almost surely, 2^1913765135 is an apocalyptic number.

1913765135 is a deficient number, since it is larger than the sum of its proper divisors (382753033).

1913765135 is an equidigital number, since it uses as much as digits as its factorization.

1913765135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382753032.

The product of its digits is 85050, while the sum is 41.

The square root of 1913765135 is about 43746.6014108525. The cubic root of 1913765135 is about 1241.5461840866.

The spelling of 1913765135 in words is "one billion, nine hundred thirteen million, seven hundred sixty-five thousand, one hundred thirty-five".