135402370 has 8 divisors (see below), whose sum is σ = 243724284. Its totient is φ = 54160944.

The previous prime is 135402367. The next prime is 135402391. The reversal of 135402370 is 73204531.

It can be written as a sum of positive squares in 2 ways, for example, as 116920969 + 18481401 = 10813^2 + 4299^2 .

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, 6770109 + ... + 6770128.

Almost surely, 2^135402370 is an apocalyptic number.

135402370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135402370 is a deficient number, since it is larger than the sum of its proper divisors (108321914).

135402370 is a wasteful number, since it uses less digits than its factorization.

135402370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540244.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 135402370 is about 11636.2524035877. The cubic root of 135402370 is about 513.5019399855.

The spelling of 135402370 in words is "one hundred thirty-five million, four hundred two thousand, three hundred seventy".