133531451050 has 12 divisors (see below), whose sum is σ = 248368499046. Its totient is φ = 53412580400.

The previous prime is 133531451021. The next prime is 133531451117. The reversal of 133531451050 is 50154135331.

It can be written as a sum of positive squares in 3 ways, for example, as 63493416441 + 70038034609 = 251979^2 + 264647^2 .

It is a super-2 number, since 2×133531451050² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1335314461 + ... + 1335314560.

Almost surely, 2^133531451050 is an apocalyptic number.

133531451050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133531451050 is a deficient number, since it is larger than the sum of its proper divisors (114837047996).

133531451050 is a wasteful number, since it uses less digits than its factorization.

133531451050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670629033 (or 2670629028 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 133531451050 its reverse (50154135331), we get a palindrome (183685586381).

The spelling of 133531451050 in words is "one hundred thirty-three billion, five hundred thirty-one million, four hundred fifty-one thousand, fifty".