1371526745 has 16 divisors (see below), whose sum is σ = 1682892288. Its totient is φ = 1072731840.

The previous prime is 1371526699. The next prime is 1371526759. The reversal of 1371526745 is 5476251731.

It is not a de Polignac number, because 1371526745 - 2¹⁶ = 1371461209 is a prime.

It is a super-2 number, since 2×1371526745² = 3762171224500590050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37472 + ... + 64398.

It is an arithmetic number, because the mean of its divisors is an integer number (105180768).

Almost surely, 2^1371526745 is an apocalyptic number.

It is an amenable number.

1371526745 is a deficient number, since it is larger than the sum of its proper divisors (311365543).

1371526745 is a wasteful number, since it uses less digits than its factorization.

1371526745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27160.

The product of its digits is 176400, while the sum is 41.

The square root of 1371526745 is about 37034.1294618896. The cubic root of 1371526745 is about 1111.0529588473.

The spelling of 1371526745 in words is "one billion, three hundred seventy-one million, five hundred twenty-six thousand, seven hundred forty-five".