1385137051 has 2 divisors, whose sum is σ = 1385137052. Its totient is φ = 1385137050.

The previous prime is 1385137049. The next prime is 1385137079. The reversal of 1385137051 is 1507315831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1385137051 - 2¹ = 1385137049 is a prime.

Together with 1385137049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1385136998 and 1385137016.

It is not a weakly prime, because it can be changed into another prime (1385137021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692568525 + 692568526.

It is an arithmetic number, because the mean of its divisors is an integer number (692568526).

Almost surely, 2^1385137051 is an apocalyptic number.

1385137051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385137051 is an equidigital number, since it uses as much as digits as its factorization.

1385137051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 1385137051 is about 37217.4293980656. The cubic root of 1385137051 is about 1114.7160359272.

The spelling of 1385137051 in words is "one billion, three hundred eighty-five million, one hundred thirty-seven thousand, fifty-one".