137957965 has 8 divisors (see below), whose sum is σ = 166180608. Its totient is φ = 109945680.

The previous prime is 137957957. The next prime is 137957969. The reversal of 137957965 is 569759731.

It is a happy number.

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

It is not a de Polignac number, because 137957965 - 2³ = 137957957 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 (137957969) 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, 51141 + ... + 53770.

It is an arithmetic number, because the mean of its divisors is an integer number (20772576).

Almost surely, 2^137957965 is an apocalyptic number.

It is an amenable number.

137957965 is a deficient number, since it is larger than the sum of its proper divisors (28222643).

137957965 is a wasteful number, since it uses less digits than its factorization.

137957965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105179.

The product of its digits is 1786050, while the sum is 52.

The square root of 137957965 is about 11745.5508597937. The cubic root of 137957965 is about 516.7124507930.

The spelling of 137957965 in words is "one hundred thirty-seven million, nine hundred fifty-seven thousand, nine hundred sixty-five".