1341253657 has 8 divisors (see below), whose sum is σ = 1386344960. Its totient is φ = 1296276480.

The previous prime is 1341253649. The next prime is 1341253699. The reversal of 1341253657 is 7563521431.

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 1341253657 - 2³ = 1341253649 is a prime.

It is a super-2 number, since 2×1341253657² = 3597922744831747298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341253057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4293 + ... + 51970.

It is an arithmetic number, because the mean of its divisors is an integer number (173293120).

Almost surely, 2^1341253657 is an apocalyptic number.

It is an amenable number.

1341253657 is a deficient number, since it is larger than the sum of its proper divisors (45091303).

1341253657 is an equidigital number, since it uses as much as digits as its factorization.

1341253657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57063.

The product of its digits is 75600, while the sum is 37.

The square root of 1341253657 is about 36623.1300819578. The cubic root of 1341253657 is about 1102.8174762165.

The spelling of 1341253657 in words is "one billion, three hundred forty-one million, two hundred fifty-three thousand, six hundred fifty-seven".