1913135 has 16 divisors (see below), whose sum is σ = 2681856. Its totient is φ = 1282848.

The previous prime is 1913123. The next prime is 1913147. The reversal of 1913135 is 5313191.

It is an interprime number because it is at equal distance from previous prime (1913123) and next prime (1913147).

It is not a de Polignac number, because 1913135 - 2⁸ = 1912879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1913135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (167616).

2^1913135 is an apocalyptic number.

1913135 is a deficient number, since it is larger than the sum of its proper divisors (768721).

1913135 is a wasteful number, since it uses less digits than its factorization.

1913135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222.

The product of its digits is 405, while the sum is 23.

The square root of 1913135 is about 1383.1612342746. The cubic root of 1913135 is about 124.1409903416.

It can be divided in two parts, 1913 and 135, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1913135 in words is "one million, nine hundred thirteen thousand, one hundred thirty-five".