1357406401 has 4 divisors (see below), whose sum is σ = 1461822292. Its totient is φ = 1252990512.

The previous prime is 1357406381. The next prime is 1357406443. The reversal of 1357406401 is 1046047531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250114225 + 1107292176 = 15815^2 + 33276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1357406401 - 2⁷ = 1357406273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1357404401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52207926 + ... + 52207951.

It is an arithmetic number, because the mean of its divisors is an integer number (365455573).

Almost surely, 2^1357406401 is an apocalyptic number.

It is an amenable number.

1357406401 is a deficient number, since it is larger than the sum of its proper divisors (104415891).

1357406401 is a wasteful number, since it uses less digits than its factorization.

1357406401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104415890.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1357406401 is about 36842.9966343673. The cubic root of 1357406401 is about 1107.2269064921.

The spelling of 1357406401 in words is "one billion, three hundred fifty-seven million, four hundred six thousand, four hundred one".