137699652 has 24 divisors (see below), whose sum is σ = 322219296. Its totient is φ = 45768448.

The previous prime is 137699647. The next prime is 137699657. The reversal of 137699652 is 256996731.

It is an interprime number because it is at equal distance from previous prime (137699647) and next prime (137699657).

It is a super-2 number, since 2×137699652² = 37922388321842208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137699657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12018 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (13425804).

Almost surely, 2^137699652 is an apocalyptic number.

137699652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137699652 is an abundant number, since it is smaller than the sum of its proper divisors (184519644).

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

137699652 is a wasteful number, since it uses less digits than its factorization.

137699652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32867 (or 32865 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 137699652 is about 11734.5495013656. The cubic root of 137699652 is about 516.3897512047.

The spelling of 137699652 in words is "one hundred thirty-seven million, six hundred ninety-nine thousand, six hundred fifty-two".