1344194140 has 48 divisors (see below), whose sum is σ = 2975253120. Its totient is φ = 508714560.

The previous prime is 1344194119. The next prime is 1344194141. The reversal of 1344194140 is 414914431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344194141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367159 + ... + 370801.

It is an arithmetic number, because the mean of its divisors is an integer number (61984440).

Almost surely, 2^1344194140 is an apocalyptic number.

1344194140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344194140 is an abundant number, since it is smaller than the sum of its proper divisors (1631058980).

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

1344194140 is a wasteful number, since it uses less digits than its factorization.

1344194140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1344194140 is about 36663.2532653609. The cubic root of 1344194140 is about 1103.6228046548.

The spelling of 1344194140 in words is "one billion, three hundred forty-four million, one hundred ninety-four thousand, one hundred forty".