137925743 has 4 divisors (see below), whose sum is σ = 146039040. Its totient is φ = 129812448.

The previous prime is 137925719. The next prime is 137925757. The reversal of 137925743 is 347529731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347529731 = 13001 ⋅26731.

It is a cyclic number.

It is not a de Polignac number, because 137925743 - 2⁶ = 137925679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137925743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137925793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4056623 + ... + 4056656.

It is an arithmetic number, because the mean of its divisors is an integer number (36509760).

Almost surely, 2^137925743 is an apocalyptic number.

137925743 is a deficient number, since it is larger than the sum of its proper divisors (8113297).

137925743 is an equidigital number, since it uses as much as digits as its factorization.

137925743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113296.

The product of its digits is 158760, while the sum is 41.

The square root of 137925743 is about 11744.1791113726. The cubic root of 137925743 is about 516.6722192027.

The spelling of 137925743 in words is "one hundred thirty-seven million, nine hundred twenty-five thousand, seven hundred forty-three".