137452619 has 2 divisors, whose sum is σ = 137452620. Its totient is φ = 137452618.

The previous prime is 137452607. The next prime is 137452621. The reversal of 137452619 is 916254731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137452619 is a prime.

It is a super-2 number, since 2×137452619² = 37786444939918322, which contains 22 as substring.

Together with 137452621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137452699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68726309 + 68726310.

It is an arithmetic number, because the mean of its divisors is an integer number (68726310).

Almost surely, 2^137452619 is an apocalyptic number.

137452619 is a deficient number, since it is larger than the sum of its proper divisors (1).

137452619 is an equidigital number, since it uses as much as digits as its factorization.

137452619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 137452619 is about 11724.0188928541. The cubic root of 137452619 is about 516.0807655061.

The spelling of 137452619 in words is "one hundred thirty-seven million, four hundred fifty-two thousand, six hundred nineteen".