135401946 has 16 divisors (see below), whose sum is σ = 273434304. Its totient is φ = 44695584.

The previous prime is 135401927. The next prime is 135401951. The reversal of 135401946 is 649104531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108931 + ... + 110166.

It is an arithmetic number, because the mean of its divisors is an integer number (17089644).

Almost surely, 2^135401946 is an apocalyptic number.

135401946 is an abundant number, since it is smaller than the sum of its proper divisors (138032358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135401946 is a wasteful number, since it uses less digits than its factorization.

135401946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219205.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 135401946 is about 11636.2341846493. The cubic root of 135401946 is about 513.5014039903.

The spelling of 135401946 in words is "one hundred thirty-five million, four hundred one thousand, nine hundred forty-six".