135921094 has 4 divisors (see below), whose sum is σ = 203881644. Its totient is φ = 67960546.

The previous prime is 135921089. The next prime is 135921101. The reversal of 135921094 is 490129531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490129531 = 53 ⋅9247727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33980272 + ... + 33980275.

It is an arithmetic number, because the mean of its divisors is an integer number (50970411).

Almost surely, 2^135921094 is an apocalyptic number.

135921094 is a deficient number, since it is larger than the sum of its proper divisors (67960550).

135921094 is an equidigital number, since it uses as much as digits as its factorization.

135921094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67960549.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 135921094 is about 11658.5202320020. The cubic root of 135921094 is about 514.1568432316.

The spelling of 135921094 in words is "one hundred thirty-five million, nine hundred twenty-one thousand, ninety-four".