139237372 has 6 divisors (see below), whose sum is σ = 243665408. Its totient is φ = 69618684.

The previous prime is 139237349. The next prime is 139237393. The reversal of 139237372 is 273732931.

It is a super-2 number, since 2×139237372² = 38774091522932768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17404668 + ... + 17404675.

Almost surely, 2^139237372 is an apocalyptic number.

It is an amenable number.

139237372 is a deficient number, since it is larger than the sum of its proper divisors (104428036).

139237372 is a wasteful number, since it uses less digits than its factorization.

139237372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34809347 (or 34809345 counting only the distinct ones).

The product of its digits is 47628, while the sum is 37.

The square root of 139237372 is about 11799.8886435424. Note that the first 3 decimals coincide. The cubic root of 139237372 is about 518.3048497999.

The spelling of 139237372 in words is "one hundred thirty-nine million, two hundred thirty-seven thousand, three hundred seventy-two".