133672630 has 32 divisors (see below), whose sum is σ = 296138304. Its totient is φ = 42304896.

The previous prime is 133672621. The next prime is 133672631. The reversal of 133672630 is 36276331.

It is a super-2 number, since 2×133672630² = 35736744022233800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133672592 and 133672601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133672631) 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, 72537 + ... + 74356.

It is an arithmetic number, because the mean of its divisors is an integer number (9254322).

Almost surely, 2^133672630 is an apocalyptic number.

133672630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133672630 is an abundant number, since it is smaller than the sum of its proper divisors (162465674).

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

133672630 is a wasteful number, since it uses less digits than its factorization.

133672630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146920.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 133672630 is about 11561.6880255437. The cubic root of 133672630 is about 511.3059315944.

The spelling of 133672630 in words is "one hundred thirty-three million, six hundred seventy-two thousand, six hundred thirty".