1406375137 has 2 divisors, whose sum is σ = 1406375138. Its totient is φ = 1406375136.

The previous prime is 1406375129. The next prime is 1406375141. The reversal of 1406375137 is 7315736041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142507601 + 263867536 = 33801^2 + 16244^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406375137 - 2³ = 1406375129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1406375096 and 1406375105.

It is not a weakly prime, because it can be changed into another prime (1406375107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703187568 + 703187569.

It is an arithmetic number, because the mean of its divisors is an integer number (703187569).

Almost surely, 2^1406375137 is an apocalyptic number.

It is an amenable number.

1406375137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406375137 is an equidigital number, since it uses as much as digits as its factorization.

1406375137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1406375137 is about 37501.6684562167. The cubic root of 1406375137 is about 1120.3844176267.

The spelling of 1406375137 in words is "one billion, four hundred six million, three hundred seventy-five thousand, one hundred thirty-seven".