1357709541 has 4 divisors (see below), whose sum is σ = 1810279392. Its totient is φ = 905139692.

The previous prime is 1357709531. The next prime is 1357709579. The reversal of 1357709541 is 1459077531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1459077531 = 3 ⋅486359177.

It is a cyclic number.

It is not a de Polignac number, because 1357709541 - 2¹¹ = 1357707493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1357709493 and 1357709502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357709531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226284921 + ... + 226284926.

It is an arithmetic number, because the mean of its divisors is an integer number (452569848).

Almost surely, 2^1357709541 is an apocalyptic number.

It is an amenable number.

1357709541 is a deficient number, since it is larger than the sum of its proper divisors (452569851).

1357709541 is an equidigital number, since it uses as much as digits as its factorization.

1357709541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452569850.

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 1357709541 is about 36847.1103480314. The cubic root of 1357709541 is about 1107.3093234164.

The spelling of 1357709541 in words is "one billion, three hundred fifty-seven million, seven hundred nine thousand, five hundred forty-one".