1340292198 has 48 divisors (see below), whose sum is σ = 3190777920. Its totient is φ = 374031504.

The previous prime is 1340292197. The next prime is 1340292199. The reversal of 1340292198 is 8912920431.

It is an interprime number because it is at equal distance from previous prime (1340292197) and next prime (1340292199).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340292193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40368 + ... + 65651.

It is an arithmetic number, because the mean of its divisors is an integer number (66474540).

Almost surely, 2^1340292198 is an apocalyptic number.

1340292198 is an abundant number, since it is smaller than the sum of its proper divisors (1850485722).

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

1340292198 is a wasteful number, since it uses less digits than its factorization.

1340292198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106081 (or 106074 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1340292198 is about 36610.0013384321. The cubic root of 1340292198 is about 1102.5539001111.

The spelling of 1340292198 in words is "one billion, three hundred forty million, two hundred ninety-two thousand, one hundred ninety-eight".