1357552426 has 4 divisors (see below), whose sum is σ = 2036328642. Its totient is φ = 678776212.

The previous prime is 1357552423. The next prime is 1357552439. The reversal of 1357552426 is 6242557531.

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

It can be written as a sum of positive squares in only one way, i.e., 833188225 + 524364201 = 28865^2 + 22899^2 .

It is not an unprimeable number, because it can be changed into a prime (1357552421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339388105 + ... + 339388108.

Almost surely, 2^1357552426 is an apocalyptic number.

1357552426 is a deficient number, since it is larger than the sum of its proper divisors (678776216).

1357552426 is an equidigital number, since it uses as much as digits as its factorization.

1357552426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678776215.

The product of its digits is 252000, while the sum is 40.

The square root of 1357552426 is about 36844.9783009842. The cubic root of 1357552426 is about 1107.2666089255.

The spelling of 1357552426 in words is "one billion, three hundred fifty-seven million, five hundred fifty-two thousand, four hundred twenty-six".