1356140201 has 16 divisors (see below), whose sum is σ = 1552020624. Its totient is φ = 1173878784.

The previous prime is 1356140189. The next prime is 1356140239. The reversal of 1356140201 is 1020416531.

It can be written as a sum of positive squares in 8 ways, for example, as 311557801 + 1044582400 = 17651^2 + 32320^2 .

It is not a de Polignac number, because 1356140201 - 2²² = 1351945897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356142201) 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, 50141 + ... + 72293.

It is an arithmetic number, because the mean of its divisors is an integer number (97001289).

Almost surely, 2^1356140201 is an apocalyptic number.

It is an amenable number.

1356140201 is a deficient number, since it is larger than the sum of its proper divisors (195880423).

1356140201 is a wasteful number, since it uses less digits than its factorization.

1356140201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22460.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1356140201 is about 36825.8088981084. The cubic root of 1356140201 is about 1106.8825225608.

Adding to 1356140201 its reverse (1020416531), we get a palindrome (2376556732).

The spelling of 1356140201 in words is "one billion, three hundred fifty-six million, one hundred forty thousand, two hundred one".