1348136401 has 4 divisors (see below), whose sum is σ = 1391624704. Its totient is φ = 1304648100.

The previous prime is 1348136357. The next prime is 1348136411. The reversal of 1348136401 is 1046318431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1348136401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 43488271 = 1348136401 / (1 + 3 + 4 + 8 + 1 + 3 + 6 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348136411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21744105 + ... + 21744166.

It is an arithmetic number, because the mean of its divisors is an integer number (347906176).

Almost surely, 2^1348136401 is an apocalyptic number.

It is an amenable number.

1348136401 is a deficient number, since it is larger than the sum of its proper divisors (43488303).

1348136401 is an equidigital number, since it uses as much as digits as its factorization.

1348136401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43488302.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1348136401 is about 36716.9770133654. The cubic root of 1348136401 is about 1104.7006555911.

The spelling of 1348136401 in words is "one billion, three hundred forty-eight million, one hundred thirty-six thousand, four hundred one".