133550077 has 16 divisors (see below), whose sum is σ = 142884864. Its totient is φ = 124614000.

The previous prime is 133550063. The next prime is 133550101. The reversal of 133550077 is 770055331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133550077 - 2¹⁵ = 133517309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133550047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102802 + ... + 104092.

It is an arithmetic number, because the mean of its divisors is an integer number (8930304).

Almost surely, 2^133550077 is an apocalyptic number.

It is an amenable number.

133550077 is a deficient number, since it is larger than the sum of its proper divisors (9334787).

133550077 is a wasteful number, since it uses less digits than its factorization.

133550077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 133550077 is about 11556.3868488382. The cubic root of 133550077 is about 511.1496262599.

The spelling of 133550077 in words is "one hundred thirty-three million, five hundred fifty thousand, seventy-seven".