135937751 has 4 divisors (see below), whose sum is σ = 141848112. Its totient is φ = 130027392.

The previous prime is 135937733. The next prime is 135937793. The reversal of 135937751 is 157739531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157739531 = 7001 ⋅22531.

It is a cyclic number.

It is not a de Polignac number, because 135937751 - 2¹⁴ = 135921367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135937699 and 135937708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135937721) 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, 2955146 + ... + 2955191.

It is an arithmetic number, because the mean of its divisors is an integer number (35462028).

Almost surely, 2^135937751 is an apocalyptic number.

135937751 is a deficient number, since it is larger than the sum of its proper divisors (5910361).

135937751 is an equidigital number, since it uses as much as digits as its factorization.

135937751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910360.

The product of its digits is 99225, while the sum is 41.

The square root of 135937751 is about 11659.2345803659. The cubic root of 135937751 is about 514.1778455167.

The spelling of 135937751 in words is "one hundred thirty-five million, nine hundred thirty-seven thousand, seven hundred fifty-one".