138102962 has 8 divisors (see below), whose sum is σ = 207208092. Its totient is φ = 69033600.

The previous prime is 138102947. The next prime is 138102977. The reversal of 138102962 is 269201831.

It is an interprime number because it is at equal distance from previous prime (138102947) and next prime (138102977).

It can be written as a sum of positive squares in 2 ways, for example, as 131997121 + 6105841 = 11489^2 + 2471^2 .

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

It is a super-2 number, since 2×138102962² = 38144856226346888, which contains 22 as substring.

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, 5162 + ... + 17402.

Almost surely, 2^138102962 is an apocalyptic number.

138102962 is a deficient number, since it is larger than the sum of its proper divisors (69105130).

138102962 is a wasteful number, since it uses less digits than its factorization.

138102962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17884.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 138102962 is about 11751.7216611014. The cubic root of 138102962 is about 516.8934129732.

The spelling of 138102962 in words is "one hundred thirty-eight million, one hundred two thousand, nine hundred sixty-two".