137951 has 4 divisors (see below), whose sum is σ = 150504. Its totient is φ = 125400.

The previous prime is 137947. The next prime is 137957. The reversal of 137951 is 159731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 137951 - 2² = 137947 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 137951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137957) 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 3 ways as a sum of consecutive naturals, for example, 6260 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (37626).

2¹³⁷⁹⁵¹ is an apocalyptic number.

137951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

137951 is a deficient number, since it is larger than the sum of its proper divisors (12553).

137951 is a wasteful number, since it uses less digits than its factorization.

137951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12552.

The product of its digits is 945, while the sum is 26.

The square root of 137951 is about 371.4175547817. The cubic root of 137951 is about 51.6703754997.

The spelling of 137951 in words is "one hundred thirty-seven thousand, nine hundred fifty-one".