137406424 has 16 divisors (see below), whose sum is σ = 259605720. Its totient is φ = 68178240.

The previous prime is 137406421. The next prime is 137406443. The reversal of 137406424 is 424604731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137406421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64509 + ... + 66604.

Almost surely, 2^137406424 is an apocalyptic number.

It is an amenable number.

137406424 is a deficient number, since it is larger than the sum of its proper divisors (122199296).

137406424 is a wasteful number, since it uses less digits than its factorization.

137406424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131250 (or 131246 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 137406424 is about 11722.0486264134. The cubic root of 137406424 is about 516.0229443156.

It can be divided in two parts, 13740 and 6424, that added together give a square (20164 = 142²).

The spelling of 137406424 in words is "one hundred thirty-seven million, four hundred six thousand, four hundred twenty-four".