137406463 has 2 divisors, whose sum is σ = 137406464. Its totient is φ = 137406462.

The previous prime is 137406443. The next prime is 137406473. The reversal of 137406463 is 364604731.

It is a strong prime.

It is an emirp because it is prime and its reverse (364604731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137406463 - 2¹³ = 137398271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137406403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68703231 + 68703232.

It is an arithmetic number, because the mean of its divisors is an integer number (68703232).

Almost surely, 2^137406463 is an apocalyptic number.

137406463 is a deficient number, since it is larger than the sum of its proper divisors (1).

137406463 is an equidigital number, since it uses as much as digits as its factorization.

137406463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 137406463 is about 11722.0502899450. The cubic root of 137406463 is about 516.0229931364.

The spelling of 137406463 in words is "one hundred thirty-seven million, four hundred six thousand, four hundred sixty-three".