139482415 has 8 divisors (see below), whose sum is σ = 171902880. Its totient is φ = 108569952.

The previous prime is 139482397. The next prime is 139482463. The reversal of 139482415 is 514284931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139482415 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376795 + ... + 377164.

It is an arithmetic number, because the mean of its divisors is an integer number (21487860).

Almost surely, 2^139482415 is an apocalyptic number.

139482415 is a deficient number, since it is larger than the sum of its proper divisors (32420465).

139482415 is an equidigital number, since it uses as much as digits as its factorization.

139482415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754001.

The product of its digits is 34560, while the sum is 37.

The square root of 139482415 is about 11810.2673551448. The cubic root of 139482415 is about 518.6087254524.

The spelling of 139482415 in words is "one hundred thirty-nine million, four hundred eighty-two thousand, four hundred fifteen".