1213740354 has 8 divisors (see below), whose sum is σ = 2427480720. Its totient is φ = 404580116.

The previous prime is 1213740323. The next prime is 1213740377. The reversal of 1213740354 is 4530473121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1213740354 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101145024 + ... + 101145035.

It is an arithmetic number, because the mean of its divisors is an integer number (303435090).

Almost surely, 2^1213740354 is an apocalyptic number.

1213740354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1213740354 is a wasteful number, since it uses less digits than its factorization.

1213740354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202290064.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1213740354 is about 34838.7765858677. The cubic root of 1213740354 is about 1066.6991044606.

The spelling of 1213740354 in words is "one billion, two hundred thirteen million, seven hundred forty thousand, three hundred fifty-four".