137393953 has 8 divisors (see below), whose sum is σ = 142336256. Its totient is φ = 132483600.

The previous prime is 137393951. The next prime is 137393969. The reversal of 137393953 is 359393731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137393953 - 2¹ = 137393951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137393951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 16603.

It is an arithmetic number, because the mean of its divisors is an integer number (17792032).

Almost surely, 2^137393953 is an apocalyptic number.

It is an amenable number.

137393953 is a deficient number, since it is larger than the sum of its proper divisors (4942303).

137393953 is a wasteful number, since it uses less digits than its factorization.

137393953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15975.

The product of its digits is 229635, while the sum is 43.

The square root of 137393953 is about 11721.5166680767. The cubic root of 137393953 is about 516.0073324379.

The spelling of 137393953 in words is "one hundred thirty-seven million, three hundred ninety-three thousand, nine hundred fifty-three".