2135758 has 4 divisors (see below), whose sum is σ = 3203640. Its totient is φ = 1067878.

The previous prime is 2135753. The next prime is 2135773. The reversal of 2135758 is 8575312.

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

It is a super-2 number, since 2×2135758² = 9122924469128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533938 + ... + 533941.

It is an arithmetic number, because the mean of its divisors is an integer number (800910).

2^2135758 is an apocalyptic number.

2135758 is a deficient number, since it is larger than the sum of its proper divisors (1067882).

2135758 is a wasteful number, since it uses less digits than its factorization.

2135758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067881.

The product of its digits is 8400, while the sum is 31.

The square root of 2135758 is about 1461.4232788621. The cubic root of 2135758 is about 128.7806701056.

The spelling of 2135758 in words is "two million, one hundred thirty-five thousand, seven hundred fifty-eight".