1356657141 has 16 divisors (see below), whose sum is σ = 2101179008. Its totient is φ = 762523200.

The previous prime is 1356657131. The next prime is 1356657157. The reversal of 1356657141 is 1417566531.

It is a de Polignac number, because none of the positive numbers 2^k-1356657141 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1356657141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356657121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528250 + ... + 530811.

It is an arithmetic number, because the mean of its divisors is an integer number (131323688).

Almost surely, 2^1356657141 is an apocalyptic number.

It is an amenable number.

1356657141 is a deficient number, since it is larger than the sum of its proper divisors (744521867).

1356657141 is a wasteful number, since it uses less digits than its factorization.

1356657141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059132.

The product of its digits is 75600, while the sum is 39.

The square root of 1356657141 is about 36832.8269482536. The cubic root of 1356657141 is about 1107.0231469501.

It can be divided in two parts, 13566 and 57141, that added together give a palindrome (70707).

The spelling of 1356657141 in words is "one billion, three hundred fifty-six million, six hundred fifty-seven thousand, one hundred forty-one".