135746890 has 8 divisors (see below), whose sum is σ = 244344420. Its totient is φ = 54298752.

The previous prime is 135746879. The next prime is 135746909. The reversal of 135746890 is 98647531.

It can be written as a sum of positive squares in 2 ways, for example, as 135745801 + 1089 = 11651^2 + 33^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6787335 + ... + 6787354.

Almost surely, 2^135746890 is an apocalyptic number.

135746890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135746890 is a deficient number, since it is larger than the sum of its proper divisors (108597530).

135746890 is a wasteful number, since it uses less digits than its factorization.

135746890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13574696.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 135746890 is about 11651.0467340922. The cubic root of 135746890 is about 513.9370920301.

The spelling of 135746890 in words is "one hundred thirty-five million, seven hundred forty-six thousand, eight hundred ninety".