1344507077 has 8 divisors (see below), whose sum is σ = 1391368440. Its totient is φ = 1297679040.

The previous prime is 1344507061. The next prime is 1344507091. The reversal of 1344507077 is 7707054431.

It can be written as a sum of positive squares in 4 ways, for example, as 427083556 + 917423521 = 20666^2 + 30289^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1344507077 - 2⁴ = 1344507061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344507077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344507037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96143 + ... + 109235.

It is an arithmetic number, because the mean of its divisors is an integer number (173921055).

Almost surely, 2^1344507077 is an apocalyptic number.

It is an amenable number.

1344507077 is a deficient number, since it is larger than the sum of its proper divisors (46861363).

1344507077 is a wasteful number, since it uses less digits than its factorization.

1344507077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16663.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 1344507077 is about 36667.5207370228. The cubic root of 1344507077 is about 1103.7084414940.

The spelling of 1344507077 in words is "one billion, three hundred forty-four million, five hundred seven thousand, seventy-seven".