1913136 has 20 divisors (see below), whose sum is σ = 4942392. Its totient is φ = 637696.

The previous prime is 1913123. The next prime is 1913147. The reversal of 1913136 is 6313191.

1913136 = T₄₈₁ + T₄₈₂ + ... + T₄₉₆.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 19881 + ... + 19976.

2^1913136 is an apocalyptic number.

1913136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1913136 is an abundant number, since it is smaller than the sum of its proper divisors (3029256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1913136 is a wasteful number, since it uses less digits than its factorization.

1913136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39868 (or 39862 counting only the distinct ones).

The product of its digits is 486, while the sum is 24.

The square root of 1913136 is about 1383.1615957653. The cubic root of 1913136 is about 124.1410119712.

The spelling of 1913136 in words is "one million, nine hundred thirteen thousand, one hundred thirty-six".