1375202149 has 16 divisors (see below), whose sum is σ = 1417904640. Its totient is φ = 1333292400.

The previous prime is 1375202141. The next prime is 1375202161. The reversal of 1375202149 is 9412025731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1375202149 - 2³ = 1375202141 is a prime.

It is a super-2 number, since 2×1375202149² = 3782361901228436402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375202141) 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, 1451694 + ... + 1452640.

It is an arithmetic number, because the mean of its divisors is an integer number (88619040).

Almost surely, 2^1375202149 is an apocalyptic number.

It is an amenable number.

1375202149 is a deficient number, since it is larger than the sum of its proper divisors (42702491).

1375202149 is a wasteful number, since it uses less digits than its factorization.

1375202149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1375202149 is about 37083.7181118614. The cubic root of 1375202149 is about 1112.0445365963.

The spelling of 1375202149 in words is "one billion, three hundred seventy-five million, two hundred two thousand, one hundred forty-nine".