135970394 has 24 divisors (see below), whose sum is σ = 237670848. Its totient is φ = 58170840.

The previous prime is 135970381. The next prime is 135970399. The reversal of 135970394 is 493079531.

135970394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (135970399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88517 + ... + 90039.

It is an arithmetic number, because the mean of its divisors is an integer number (9902952).

Almost surely, 2^135970394 is an apocalyptic number.

135970394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135970394 is a deficient number, since it is larger than the sum of its proper divisors (101700454).

135970394 is a wasteful number, since it uses less digits than its factorization.

135970394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 135970394 is about 11660.6343738238. The cubic root of 135970394 is about 514.2189990692.

The spelling of 135970394 in words is "one hundred thirty-five million, nine hundred seventy thousand, three hundred ninety-four".