133238399040 has 112 divisors (see below), whose sum is σ = 470035493760. Its totient is φ = 35530237440.

The previous prime is 133238398973. The next prime is 133238399051. The reversal of 133238399040 is 40993832331.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 7701916 + ... + 7719195.

It is an arithmetic number, because the mean of its divisors is an integer number (4196745480).

Almost surely, 2^133238399040 is an apocalyptic number.

133238399040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133238399040 is an abundant number, since it is smaller than the sum of its proper divisors (336797094720).

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

133238399040 is a wasteful number, since it uses less digits than its factorization.

133238399040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421137 (or 15421121 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 133238399040 in words is "one hundred thirty-three billion, two hundred thirty-eight million, three hundred ninety-nine thousand, forty".