137215463 has 16 divisors (see below), whose sum is σ = 174306816. Its totient is φ = 104900640.

The previous prime is 137215459. The next prime is 137215487. The reversal of 137215463 is 364512731.

It is a cyclic number.

It is not a de Polignac number, because 137215463 - 2² = 137215459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137215433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12731 + ... + 20892.

It is an arithmetic number, because the mean of its divisors is an integer number (10894176).

Almost surely, 2^137215463 is an apocalyptic number.

137215463 is a deficient number, since it is larger than the sum of its proper divisors (37091353).

137215463 is a wasteful number, since it uses less digits than its factorization.

137215463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33694.

The product of its digits is 15120, while the sum is 32.

The square root of 137215463 is about 11713.9004178796. The cubic root of 137215463 is about 515.7837853332.

It can be divided in two parts, 1372 and 15463, that multiplied together give a square (21215236 = 4606²).

The spelling of 137215463 in words is "one hundred thirty-seven million, two hundred fifteen thousand, four hundred sixty-three".