138619010 has 8 divisors (see below), whose sum is σ = 249514236. Its totient is φ = 55447600.

The previous prime is 138618973. The next prime is 138619067. The reversal of 138619010 is 10916831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137428729 + 1190281 = 11723^2 + 1091^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6930941 + ... + 6930960.

Almost surely, 2^138619010 is an apocalyptic number.

138619010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138619010 is a deficient number, since it is larger than the sum of its proper divisors (110895226).

138619010 is a wasteful number, since it uses less digits than its factorization.

138619010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861908.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 138619010 is about 11773.6574606194. The cubic root of 138619010 is about 517.5364362468.

The spelling of 138619010 in words is "one hundred thirty-eight million, six hundred nineteen thousand, ten".