1953843134 has 4 divisors (see below), whose sum is σ = 2930764704. Its totient is φ = 976921566.

The previous prime is 1953843121. The next prime is 1953843163. The reversal of 1953843134 is 4313483591.

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

It is a junction number, because it is equal to n+sod(n) for n = 1953843091 and 1953843100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488460782 + ... + 488460785.

It is an arithmetic number, because the mean of its divisors is an integer number (732691176).

Almost surely, 2^1953843134 is an apocalyptic number.

1953843134 is a deficient number, since it is larger than the sum of its proper divisors (976921570).

1953843134 is an equidigital number, since it uses as much as digits as its factorization.

1953843134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976921569.

The product of its digits is 155520, while the sum is 41.

The square root of 1953843134 is about 44202.2978361985. The cubic root of 1953843134 is about 1250.1531831472.

The spelling of 1953843134 in words is "one billion, nine hundred fifty-three million, eight hundred forty-three thousand, one hundred thirty-four".