1351145601 has 24 divisors (see below), whose sum is σ = 2225419560. Its totient is φ = 782562816.

The previous prime is 1351145599. The next prime is 1351145623. The reversal of 1351145601 is 1065411531.

1351145601 is a `hidden beast` number, since 1 + 3 + 5 + 11 + 45 + 601 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 288320400 + 1062825201 = 16980^2 + 32601^2 .

It is not a de Polignac number, because 1351145601 - 2¹ = 1351145599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351145701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337666 + ... + 341643.

It is an arithmetic number, because the mean of its divisors is an integer number (92725815).

Almost surely, 2^1351145601 is an apocalyptic number.

It is an amenable number.

1351145601 is a deficient number, since it is larger than the sum of its proper divisors (874273959).

1351145601 is a wasteful number, since it uses less digits than its factorization.

1351145601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679345 (or 679342 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1351145601 is about 36757.9324908243. The cubic root of 1351145601 is about 1105.5219856604.

It can be divided in two parts, 135114 and 5601, that added together give a triangular number (140715 = T₅₃₀).

The spelling of 1351145601 in words is "one billion, three hundred fifty-one million, one hundred forty-five thousand, six hundred one".