133049578690 has 16 divisors (see below), whose sum is σ = 273701990592. Its totient is φ = 45616998384.

The previous prime is 133049578639. The next prime is 133049578691. The reversal of 133049578690 is 96875940331.

It is a super-2 number, since 2×133049578690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133049578691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950354064 + ... + 950354203.

It is an arithmetic number, because the mean of its divisors is an integer number (17106374412).

Almost surely, 2^133049578690 is an apocalyptic number.

133049578690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133049578690 is an abundant number, since it is smaller than the sum of its proper divisors (140652411902).

133049578690 is a wasteful number, since it uses less digits than its factorization.

133049578690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900708281.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 133049578690 in words is "one hundred thirty-three billion, forty-nine million, five hundred seventy-eight thousand, six hundred ninety".