133577377554 has 32 divisors (see below), whose sum is σ = 268902930240. Its totient is φ = 44234528832.

The previous prime is 133577377547. The next prime is 133577377603. The reversal of 133577377554 is 455773775331.

It is a junction number, because it is equal to n+sod(n) for n = 133577377494 and 133577377503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8746377 + ... + 8761635.

It is an arithmetic number, because the mean of its divisors is an integer number (8403216570).

Almost surely, 2^133577377554 is an apocalyptic number.

133577377554 is an abundant number, since it is smaller than the sum of its proper divisors (135325552686).

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

133577377554 is a wasteful number, since it uses less digits than its factorization.

133577377554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24714.

The product of its digits is 32413500, while the sum is 57.

The spelling of 133577377554 in words is "one hundred thirty-three billion, five hundred seventy-seven million, three hundred seventy-seven thousand, five hundred fifty-four".