1353140557 has 4 divisors (see below), whose sum is σ = 1353395680. Its totient is φ = 1352885436.

The previous prime is 1353140549. The next prime is 1353140567. The reversal of 1353140557 is 7550413531.

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 not a de Polignac number, because 1353140557 - 2³ = 1353140549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353140567) 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, 119433 + ... + 130270.

It is an arithmetic number, because the mean of its divisors is an integer number (338348920).

Almost surely, 2^1353140557 is an apocalyptic number.

It is an amenable number.

1353140557 is a deficient number, since it is larger than the sum of its proper divisors (255123).

1353140557 is an equidigital number, since it uses as much as digits as its factorization.

1353140557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255122.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 1353140557 is about 36785.0588826496. The cubic root of 1353140557 is about 1106.0658163066.

The spelling of 1353140557 in words is "one billion, three hundred fifty-three million, one hundred forty thousand, five hundred fifty-seven".