19740134 has 4 divisors (see below), whose sum is σ = 29610204. Its totient is φ = 9870066.

The previous prime is 19740131. The next prime is 19740137. The reversal of 19740134 is 43104791.

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

It is an interprime number because it is at equal distance from previous prime (19740131) and next prime (19740137).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19740097 and 19740106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19740131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4935032 + ... + 4935035.

It is an arithmetic number, because the mean of its divisors is an integer number (7402551).

Almost surely, 2^19740134 is an apocalyptic number.

19740134 is a deficient number, since it is larger than the sum of its proper divisors (9870070).

19740134 is an equidigital number, since it uses as much as digits as its factorization.

19740134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9870069.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 19740134 is about 4442.9870582751. The cubic root of 19740134 is about 270.2609913483.

The spelling of 19740134 in words is "nineteen million, seven hundred forty thousand, one hundred thirty-four".