135011554 has 4 divisors (see below), whose sum is σ = 202517334. Its totient is φ = 67505776.

The previous prime is 135011543. The next prime is 135011561. The reversal of 135011554 is 455110531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110775625 + 24235929 = 10525^2 + 4923^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33752887 + ... + 33752890.

Almost surely, 2^135011554 is an apocalyptic number.

135011554 is a deficient number, since it is larger than the sum of its proper divisors (67505780).

135011554 is an equidigital number, since it uses as much as digits as its factorization.

135011554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67505779.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 135011554 is about 11619.4472329797. The cubic root of 135011554 is about 513.0074184463.

The spelling of 135011554 in words is "one hundred thirty-five million, eleven thousand, five hundred fifty-four".