138132700 has 18 divisors (see below), whose sum is σ = 299748176. Its totient is φ = 55253040.

The previous prime is 138132697. The next prime is 138132703. The reversal of 138132700 is 7231831.

It is an interprime number because it is at equal distance from previous prime (138132697) and next prime (138132703).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138132703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690564 + ... + 690763.

Almost surely, 2^138132700 is an apocalyptic number.

138132700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138132700 is an abundant number, since it is smaller than the sum of its proper divisors (161615476).

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

138132700 is a wasteful number, since it uses less digits than its factorization.

138132700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381341 (or 1381334 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 138132700 is about 11752.9868544128. The cubic root of 138132700 is about 516.9305115575.

The spelling of 138132700 in words is "one hundred thirty-eight million, one hundred thirty-two thousand, seven hundred".