137699654 has 8 divisors (see below), whose sum is σ = 206785008. Its totient is φ = 68771320.

The previous prime is 137699647. The next prime is 137699657. The reversal of 137699654 is 456996731.

137699654 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×137699654² = 37922389423439432, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37037 + ... + 40584.

It is an arithmetic number, because the mean of its divisors is an integer number (25848126).

Almost surely, 2^137699654 is an apocalyptic number.

137699654 is a deficient number, since it is larger than the sum of its proper divisors (69085354).

137699654 is an equidigital number, since it uses as much as digits as its factorization.

137699654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78510.

The product of its digits is 1224720, while the sum is 50.

The square root of 137699654 is about 11734.5495865841. The cubic root of 137699654 is about 516.3897537048.

The spelling of 137699654 in words is "one hundred thirty-seven million, six hundred ninety-nine thousand, six hundred fifty-four".