137628970 has 32 divisors (see below), whose sum is σ = 262082880. Its totient is φ = 51891840.

The previous prime is 137628949. The next prime is 137628971. The reversal of 137628970 is 79826731.

It is a happy number.

137628970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (137628971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38374 + ... + 41806.

It is an arithmetic number, because the mean of its divisors is an integer number (8190090).

Almost surely, 2^137628970 is an apocalyptic number.

137628970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137628970 is a deficient number, since it is larger than the sum of its proper divisors (124453910).

137628970 is a wasteful number, since it uses less digits than its factorization.

137628970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 137628970 is about 11731.5374099050. The cubic root of 137628970 is about 516.3013808354.

The spelling of 137628970 in words is "one hundred thirty-seven million, six hundred twenty-eight thousand, nine hundred seventy".