1368457149 has 16 divisors (see below), whose sum is σ = 1888125440. Its totient is φ = 880692480.

The previous prime is 1368457141. The next prime is 1368457157. The reversal of 1368457149 is 9417548631.

It is an interprime number because it is at equal distance from previous prime (1368457141) and next prime (1368457157).

It is not a de Polignac number, because 1368457149 - 2³ = 1368457141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1368457098 and 1368457107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368457141) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 20049 + ... + 56025.

It is an arithmetic number, because the mean of its divisors is an integer number (118007840).

Almost surely, 2^1368457149 is an apocalyptic number.

It is an amenable number.

1368457149 is a deficient number, since it is larger than the sum of its proper divisors (519668291).

1368457149 is a wasteful number, since it uses less digits than its factorization.

1368457149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36420.

The product of its digits is 725760, while the sum is 48.

The square root of 1368457149 is about 36992.6634483109. The cubic root of 1368457149 is about 1110.2234620308.

The spelling of 1368457149 in words is "one billion, three hundred sixty-eight million, four hundred fifty-seven thousand, one hundred forty-nine".