147138072 has 16 divisors (see below), whose sum is σ = 367845240. Its totient is φ = 49046016.

The previous prime is 147138067. The next prime is 147138073. The reversal of 147138072 is 270831741.

It is a happy number.

It is a super-2 number, since 2×147138072² = 43299224463754368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147138073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3065353 + ... + 3065400.

Almost surely, 2^147138072 is an apocalyptic number.

147138072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147138072 is an abundant number, since it is smaller than the sum of its proper divisors (220707168).

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

147138072 is a wasteful number, since it uses less digits than its factorization.

147138072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130762 (or 6130758 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 147138072 is about 12130.0483098791. The cubic root of 147138072 is about 527.9283936410.

The spelling of 147138072 in words is "one hundred forty-seven million, one hundred thirty-eight thousand, seventy-two".