1351401065 has 8 divisors (see below), whose sum is σ = 1853350080. Its totient is φ = 926674992.

The previous prime is 1351401059. The next prime is 1351401067. The reversal of 1351401065 is 5601041531.

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 1351401065 - 2⁶ = 1351401001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351401067) 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, 19305695 + ... + 19305764.

It is an arithmetic number, because the mean of its divisors is an integer number (231668760).

Almost surely, 2^1351401065 is an apocalyptic number.

It is an amenable number.

1351401065 is a deficient number, since it is larger than the sum of its proper divisors (501949015).

1351401065 is an equidigital number, since it uses as much as digits as its factorization.

1351401065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38611471.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1351401065 is about 36761.4072771976. The cubic root of 1351401065 is about 1105.5916557416.

Adding to 1351401065 its reverse (5601041531), we get a palindrome (6952442596).

The spelling of 1351401065 in words is "one billion, three hundred fifty-one million, four hundred one thousand, sixty-five".