135791554 has 16 divisors (see below), whose sum is σ = 213648768. Its totient is φ = 64653552.

The previous prime is 135791533. The next prime is 135791611. The reversal of 135791554 is 455197531.

It is a super-2 number, since 2×135791554² = 36878692275469832, which contains 22 as substring.

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, 16044 + ... + 22999.

It is an arithmetic number, because the mean of its divisors is an integer number (13353048).

Almost surely, 2^135791554 is an apocalyptic number.

135791554 is a deficient number, since it is larger than the sum of its proper divisors (77857214).

135791554 is a wasteful number, since it uses less digits than its factorization.

135791554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39129.

The product of its digits is 94500, while the sum is 40.

The square root of 135791554 is about 11652.9633141103. The cubic root of 135791554 is about 513.9934517478.

The spelling of 135791554 in words is "one hundred thirty-five million, seven hundred ninety-one thousand, five hundred fifty-four".